Home / 556,899.52-839,462.68-524,387.20

Finding the Fourth Proportional to 556,899.52, 839,462.68 and 524,387.20

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Solution

The fourth proportional to 556,899.52, 839,462.68 and 524,387.20 is: 790,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,899.52 : 839,462.68 = 524,387.20 : x
  2. Step 2: Convert to fraction form
    556,899.52/839,462.68 = 524,387.20/x
  3. Step 3: Cross multiply
    556,899.52x = 839,462.68 × 524,387.20
  4. Step 4: Simplify right side
    556,899.52x = 440,203,484,269.70
  5. Step 5: Solve for x
    x = 440,203,484,269.70/556,899.52
  6. Step 6: Final answer
    x = 790,454.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.