Home / 713,747.50-1,070,901.45-314,107.93

Finding the Fourth Proportional to 713,747.50, 1,070,901.45 and 314,107.93

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Solution

The fourth proportional to 713,747.50, 1,070,901.45 and 314,107.93 is: 471,285.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,747.50 : 1,070,901.45 = 314,107.93 : x
  2. Step 2: Convert to fraction form
    713,747.50/1,070,901.45 = 314,107.93/x
  3. Step 3: Cross multiply
    713,747.50x = 1,070,901.45 × 314,107.93
  4. Step 4: Simplify right side
    713,747.50x = 336,378,639,032.13
  5. Step 5: Solve for x
    x = 336,378,639,032.13/713,747.50
  6. Step 6: Final answer
    x = 471,285.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.