Home / 877,048.30-1,210,326.66-474,640.30

Finding the Fourth Proportional to 877,048.30, 1,210,326.66 and 474,640.30

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Solution

The fourth proportional to 877,048.30, 1,210,326.66 and 474,640.30 is: 655,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,048.30 : 1,210,326.66 = 474,640.30 : x
  2. Step 2: Convert to fraction form
    877,048.30/1,210,326.66 = 474,640.30/x
  3. Step 3: Cross multiply
    877,048.30x = 1,210,326.66 × 474,640.30
  4. Step 4: Simplify right side
    877,048.30x = 574,469,805,381.28
  5. Step 5: Solve for x
    x = 574,469,805,381.28/877,048.30
  6. Step 6: Final answer
    x = 655,003.61

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Double scale
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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.