Home / 1,039,306.90-1,557,793.95-440,166.10

Finding the Fourth Proportional to 1,039,306.90, 1,557,793.95 and 440,166.10

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Solution

The fourth proportional to 1,039,306.90, 1,557,793.95 and 440,166.10 is: 659,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,306.90 : 1,557,793.95 = 440,166.10 : x
  2. Step 2: Convert to fraction form
    1,039,306.90/1,557,793.95 = 440,166.10/x
  3. Step 3: Cross multiply
    1,039,306.90x = 1,557,793.95 × 440,166.10
  4. Step 4: Simplify right side
    1,039,306.90x = 685,688,087,575.10
  5. Step 5: Solve for x
    x = 685,688,087,575.10/1,039,306.90
  6. Step 6: Final answer
    x = 659,755.16

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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.