Home / 529,760.14-731,339.45-358,582.74

Finding the Fourth Proportional to 529,760.14, 731,339.45 and 358,582.74

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Solution

The fourth proportional to 529,760.14, 731,339.45 and 358,582.74 is: 495,027.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,760.14 : 731,339.45 = 358,582.74 : x
  2. Step 2: Convert to fraction form
    529,760.14/731,339.45 = 358,582.74/x
  3. Step 3: Cross multiply
    529,760.14x = 731,339.45 × 358,582.74
  4. Step 4: Simplify right side
    529,760.14x = 262,245,704,747.55
  5. Step 5: Solve for x
    x = 262,245,704,747.55/529,760.14
  6. Step 6: Final answer
    x = 495,027.25

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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.