Home / 662,024.20-993,036.30-396,603.40

Finding the Fourth Proportional to 662,024.20, 993,036.30 and 396,603.40

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Solution

The fourth proportional to 662,024.20, 993,036.30 and 396,603.40 is: 594,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,024.20 : 993,036.30 = 396,603.40 : x
  2. Step 2: Convert to fraction form
    662,024.20/993,036.30 = 396,603.40/x
  3. Step 3: Cross multiply
    662,024.20x = 993,036.30 × 396,603.40
  4. Step 4: Simplify right side
    662,024.20x = 393,841,572,903.42
  5. Step 5: Solve for x
    x = 393,841,572,903.42/662,024.20
  6. Step 6: Final answer
    x = 594,905.10

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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.