Home / 1,039,295.90-1,557,777.45-440,155.10

Finding the Fourth Proportional to 1,039,295.90, 1,557,777.45 and 440,155.10

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Solution

The fourth proportional to 1,039,295.90, 1,557,777.45 and 440,155.10 is: 659,738.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,295.90 : 1,557,777.45 = 440,155.10 : x
  2. Step 2: Convert to fraction form
    1,039,295.90/1,557,777.45 = 440,155.10/x
  3. Step 3: Cross multiply
    1,039,295.90x = 1,557,777.45 × 440,155.10
  4. Step 4: Simplify right side
    1,039,295.90x = 685,663,689,282.50
  5. Step 5: Solve for x
    x = 685,663,689,282.50/1,039,295.90
  6. Step 6: Final answer
    x = 659,738.66

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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.