Home / 961,603.20-1,442,404.80-519,235.20

Finding the Fourth Proportional to 961,603.20, 1,442,404.80 and 519,235.20

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Solution

The fourth proportional to 961,603.20, 1,442,404.80 and 519,235.20 is: 778,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,603.20 : 1,442,404.80 = 519,235.20 : x
  2. Step 2: Convert to fraction form
    961,603.20/1,442,404.80 = 519,235.20/x
  3. Step 3: Cross multiply
    961,603.20x = 1,442,404.80 × 519,235.20
  4. Step 4: Simplify right side
    961,603.20x = 748,947,344,808.96
  5. Step 5: Solve for x
    x = 748,947,344,808.96/961,603.20
  6. Step 6: Final answer
    x = 778,852.80

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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.