Home / 514,942.92-710,582.04-288,544.68

Finding the Fourth Proportional to 514,942.92, 710,582.04 and 288,544.68

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Solution

The fourth proportional to 514,942.92, 710,582.04 and 288,544.68 is: 398,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,942.92 : 710,582.04 = 288,544.68 : x
  2. Step 2: Convert to fraction form
    514,942.92/710,582.04 = 288,544.68/x
  3. Step 3: Cross multiply
    514,942.92x = 710,582.04 × 288,544.68
  4. Step 4: Simplify right side
    514,942.92x = 205,034,667,345.55
  5. Step 5: Solve for x
    x = 205,034,667,345.55/514,942.92
  6. Step 6: Final answer
    x = 398,169.70

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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.