Home / 558,215.20-837,322.80-536,442.40

Finding the Fourth Proportional to 558,215.20, 837,322.80 and 536,442.40

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Solution

The fourth proportional to 558,215.20, 837,322.80 and 536,442.40 is: 804,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,215.20 : 837,322.80 = 536,442.40 : x
  2. Step 2: Convert to fraction form
    558,215.20/837,322.80 = 536,442.40/x
  3. Step 3: Cross multiply
    558,215.20x = 837,322.80 × 536,442.40
  4. Step 4: Simplify right side
    558,215.20x = 449,175,452,406.72
  5. Step 5: Solve for x
    x = 449,175,452,406.72/558,215.20
  6. Step 6: Final answer
    x = 804,663.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.