Home / 743,265.16-1,025,140.80-514,203.64

Finding the Fourth Proportional to 743,265.16, 1,025,140.80 and 514,203.64

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Solution

The fourth proportional to 743,265.16, 1,025,140.80 and 514,203.64 is: 709,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,265.16 : 1,025,140.80 = 514,203.64 : x
  2. Step 2: Convert to fraction form
    743,265.16/1,025,140.80 = 514,203.64/x
  3. Step 3: Cross multiply
    743,265.16x = 1,025,140.80 × 514,203.64
  4. Step 4: Simplify right side
    743,265.16x = 527,131,130,872.51
  5. Step 5: Solve for x
    x = 527,131,130,872.51/743,265.16
  6. Step 6: Final answer
    x = 709,210.06

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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.