Home / 947,017.16-1,306,833.70-517,291.08

Finding the Fourth Proportional to 947,017.16, 1,306,833.70 and 517,291.08

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Solution

The fourth proportional to 947,017.16, 1,306,833.70 and 517,291.08 is: 713,834.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,017.16 : 1,306,833.70 = 517,291.08 : x
  2. Step 2: Convert to fraction form
    947,017.16/1,306,833.70 = 517,291.08/x
  3. Step 3: Cross multiply
    947,017.16x = 1,306,833.70 × 517,291.08
  4. Step 4: Simplify right side
    947,017.16x = 676,013,416,053.40
  5. Step 5: Solve for x
    x = 676,013,416,053.40/947,017.16
  6. Step 6: Final answer
    x = 713,834.39

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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.