Home / 604,819.20-907,228.80-415,862.40

Finding the Fourth Proportional to 604,819.20, 907,228.80 and 415,862.40

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Solution

The fourth proportional to 604,819.20, 907,228.80 and 415,862.40 is: 623,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,819.20 : 907,228.80 = 415,862.40 : x
  2. Step 2: Convert to fraction form
    604,819.20/907,228.80 = 415,862.40/x
  3. Step 3: Cross multiply
    604,819.20x = 907,228.80 × 415,862.40
  4. Step 4: Simplify right side
    604,819.20x = 377,282,346,117.12
  5. Step 5: Solve for x
    x = 377,282,346,117.12/604,819.20
  6. Step 6: Final answer
    x = 623,793.60

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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.