Home / 896,573.21-1,237,260.13-488,673.79

Finding the Fourth Proportional to 896,573.21, 1,237,260.13 and 488,673.79

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Solution

The fourth proportional to 896,573.21, 1,237,260.13 and 488,673.79 is: 674,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,573.21 : 1,237,260.13 = 488,673.79 : x
  2. Step 2: Convert to fraction form
    896,573.21/1,237,260.13 = 488,673.79/x
  3. Step 3: Cross multiply
    896,573.21x = 1,237,260.13 × 488,673.79
  4. Step 4: Simplify right side
    896,573.21x = 604,616,602,336.54
  5. Step 5: Solve for x
    x = 604,616,602,336.54/896,573.21
  6. Step 6: Final answer
    x = 674,363.90

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Half scale
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Double scale
Find fourth proportional to 896,574.21, 1,237,261.51 and 488,674.79
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.