Home / 947,268.18-1,307,248.91-517,574.93

Finding the Fourth Proportional to 947,268.18, 1,307,248.91 and 517,574.93

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Solution

The fourth proportional to 947,268.18, 1,307,248.91 and 517,574.93 is: 714,263.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,268.18 : 1,307,248.91 = 517,574.93 : x
  2. Step 2: Convert to fraction form
    947,268.18/1,307,248.91 = 517,574.93/x
  3. Step 3: Cross multiply
    947,268.18x = 1,307,248.91 × 517,574.93
  4. Step 4: Simplify right side
    947,268.18x = 676,599,253,961.71
  5. Step 5: Solve for x
    x = 676,599,253,961.71/947,268.18
  6. Step 6: Final answer
    x = 714,263.68

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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.