Home / 840,554.28-1,160,054.28-514,058.31

Finding the Fourth Proportional to 840,554.28, 1,160,054.28 and 514,058.31

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Solution

The fourth proportional to 840,554.28, 1,160,054.28 and 514,058.31 is: 709,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,554.28 : 1,160,054.28 = 514,058.31 : x
  2. Step 2: Convert to fraction form
    840,554.28/1,160,054.28 = 514,058.31/x
  3. Step 3: Cross multiply
    840,554.28x = 1,160,054.28 × 514,058.31
  4. Step 4: Simplify right side
    840,554.28x = 596,335,542,685.07
  5. Step 5: Solve for x
    x = 596,335,542,685.07/840,554.28
  6. Step 6: Final answer
    x = 709,455.13

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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.