Home / 1,152,128.04-1,727,452.05-478,674.60

Finding the Fourth Proportional to 1,152,128.04, 1,727,452.05 and 478,674.60

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Solution

The fourth proportional to 1,152,128.04, 1,727,452.05 and 478,674.60 is: 717,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,128.04 : 1,727,452.05 = 478,674.60 : x
  2. Step 2: Convert to fraction form
    1,152,128.04/1,727,452.05 = 478,674.60/x
  3. Step 3: Cross multiply
    1,152,128.04x = 1,727,452.05 × 478,674.60
  4. Step 4: Simplify right side
    1,152,128.04x = 826,887,419,052.93
  5. Step 5: Solve for x
    x = 826,887,419,052.93/1,152,128.04
  6. Step 6: Final answer
    x = 717,704.45

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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.