Home / 839,504.57-1,158,460.88-472,038.33

Finding the Fourth Proportional to 839,504.57, 1,158,460.88 and 472,038.33

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Solution

The fourth proportional to 839,504.57, 1,158,460.88 and 472,038.33 is: 651,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,504.57 : 1,158,460.88 = 472,038.33 : x
  2. Step 2: Convert to fraction form
    839,504.57/1,158,460.88 = 472,038.33/x
  3. Step 3: Cross multiply
    839,504.57x = 1,158,460.88 × 472,038.33
  4. Step 4: Simplify right side
    839,504.57x = 546,837,936,805.34
  5. Step 5: Solve for x
    x = 546,837,936,805.34/839,504.57
  6. Step 6: Final answer
    x = 651,381.73

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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.