Home / 1,239,601.60-1,859,402.40-440,909.20

Finding the Fourth Proportional to 1,239,601.60, 1,859,402.40 and 440,909.20

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Solution

The fourth proportional to 1,239,601.60, 1,859,402.40 and 440,909.20 is: 661,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,601.60 : 1,859,402.40 = 440,909.20 : x
  2. Step 2: Convert to fraction form
    1,239,601.60/1,859,402.40 = 440,909.20/x
  3. Step 3: Cross multiply
    1,239,601.60x = 1,859,402.40 × 440,909.20
  4. Step 4: Simplify right side
    1,239,601.60x = 819,827,624,662.08
  5. Step 5: Solve for x
    x = 819,827,624,662.08/1,239,601.60
  6. Step 6: Final answer
    x = 661,363.80

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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.