Home / 781,017.14-1,078,362.24-609,127.09

Finding the Fourth Proportional to 781,017.14, 1,078,362.24 and 609,127.09

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Solution

The fourth proportional to 781,017.14, 1,078,362.24 and 609,127.09 is: 841,031.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,017.14 : 1,078,362.24 = 609,127.09 : x
  2. Step 2: Convert to fraction form
    781,017.14/1,078,362.24 = 609,127.09/x
  3. Step 3: Cross multiply
    781,017.14x = 1,078,362.24 × 609,127.09
  4. Step 4: Simplify right side
    781,017.14x = 656,859,653,217.08
  5. Step 5: Solve for x
    x = 656,859,653,217.08/781,017.14
  6. Step 6: Final answer
    x = 841,031.03

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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.