Home / 1,035,278.90-1,553,793.15-404,645.30

Finding the Fourth Proportional to 1,035,278.90, 1,553,793.15 and 404,645.30

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Solution

The fourth proportional to 1,035,278.90, 1,553,793.15 and 404,645.30 is: 607,309.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,278.90 : 1,553,793.15 = 404,645.30 : x
  2. Step 2: Convert to fraction form
    1,035,278.90/1,553,793.15 = 404,645.30/x
  3. Step 3: Cross multiply
    1,035,278.90x = 1,553,793.15 × 404,645.30
  4. Step 4: Simplify right side
    1,035,278.90x = 628,735,095,319.70
  5. Step 5: Solve for x
    x = 628,735,095,319.70/1,035,278.90
  6. Step 6: Final answer
    x = 607,309.87

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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.