Home / 1,420,017.30-2,129,248.35-577,617.30

Finding the Fourth Proportional to 1,420,017.30, 2,129,248.35 and 577,617.30

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Solution

The fourth proportional to 1,420,017.30, 2,129,248.35 and 577,617.30 is: 866,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,017.30 : 2,129,248.35 = 577,617.30 : x
  2. Step 2: Convert to fraction form
    1,420,017.30/2,129,248.35 = 577,617.30/x
  3. Step 3: Cross multiply
    1,420,017.30x = 2,129,248.35 × 577,617.30
  4. Step 4: Simplify right side
    1,420,017.30x = 1,229,890,682,956.46
  5. Step 5: Solve for x
    x = 1,229,890,682,956.46/1,420,017.30
  6. Step 6: Final answer
    x = 866,109.65

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Double scale
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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.