Home / 586,320.53-809,125.32-331,666.25

Finding the Fourth Proportional to 586,320.53, 809,125.32 and 331,666.25

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Solution

The fourth proportional to 586,320.53, 809,125.32 and 331,666.25 is: 457,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,320.53 : 809,125.32 = 331,666.25 : x
  2. Step 2: Convert to fraction form
    586,320.53/809,125.32 = 331,666.25/x
  3. Step 3: Cross multiply
    586,320.53x = 809,125.32 × 331,666.25
  4. Step 4: Simplify right side
    586,320.53x = 268,359,556,618.82
  5. Step 5: Solve for x
    x = 268,359,556,618.82/586,320.53
  6. Step 6: Final answer
    x = 457,701.11

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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.