Home / 1,337,053.60-2,005,365.36-390,202.40

Finding the Fourth Proportional to 1,337,053.60, 2,005,365.36 and 390,202.40

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Solution

The fourth proportional to 1,337,053.60, 2,005,365.36 and 390,202.40 is: 585,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,053.60 : 2,005,365.36 = 390,202.40 : x
  2. Step 2: Convert to fraction form
    1,337,053.60/2,005,365.36 = 390,202.40/x
  3. Step 3: Cross multiply
    1,337,053.60x = 2,005,365.36 × 390,202.40
  4. Step 4: Simplify right side
    1,337,053.60x = 782,498,376,348.86
  5. Step 5: Solve for x
    x = 782,498,376,348.86/1,337,053.60
  6. Step 6: Final answer
    x = 585,240.84

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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.