Home / 558,232.20-837,348.30-553,566.60

Finding the Fourth Proportional to 558,232.20, 837,348.30 and 553,566.60

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Solution

The fourth proportional to 558,232.20, 837,348.30 and 553,566.60 is: 830,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,232.20 : 837,348.30 = 553,566.60 : x
  2. Step 2: Convert to fraction form
    558,232.20/837,348.30 = 553,566.60/x
  3. Step 3: Cross multiply
    558,232.20x = 837,348.30 × 553,566.60
  4. Step 4: Simplify right side
    558,232.20x = 463,528,051,446.78
  5. Step 5: Solve for x
    x = 463,528,051,446.78/558,232.20
  6. Step 6: Final answer
    x = 830,349.90

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Half scale
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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.