Home / 956,879.68-1,320,446.64-527,148.40

Finding the Fourth Proportional to 956,879.68, 1,320,446.64 and 527,148.40

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Solution

The fourth proportional to 956,879.68, 1,320,446.64 and 527,148.40 is: 727,438.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,879.68 : 1,320,446.64 = 527,148.40 : x
  2. Step 2: Convert to fraction form
    956,879.68/1,320,446.64 = 527,148.40/x
  3. Step 3: Cross multiply
    956,879.68x = 1,320,446.64 × 527,148.40
  4. Step 4: Simplify right side
    956,879.68x = 696,071,333,561.38
  5. Step 5: Solve for x
    x = 696,071,333,561.38/956,879.68
  6. Step 6: Final answer
    x = 727,438.72

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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.