Home / 947,041.74-1,306,896.12-517,323.78

Finding the Fourth Proportional to 947,041.74, 1,306,896.12 and 517,323.78

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Solution

The fourth proportional to 947,041.74, 1,306,896.12 and 517,323.78 is: 713,895.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,041.74 : 1,306,896.12 = 517,323.78 : x
  2. Step 2: Convert to fraction form
    947,041.74/1,306,896.12 = 517,323.78/x
  3. Step 3: Cross multiply
    947,041.74x = 1,306,896.12 × 517,323.78
  4. Step 4: Simplify right side
    947,041.74x = 676,088,440,865.73
  5. Step 5: Solve for x
    x = 676,088,440,865.73/947,041.74
  6. Step 6: Final answer
    x = 713,895.08

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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.