Home / 583,979.40-875,904.30-478,614.60

Finding the Fourth Proportional to 583,979.40, 875,904.30 and 478,614.60

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Solution

The fourth proportional to 583,979.40, 875,904.30 and 478,614.60 is: 717,868.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,979.40 : 875,904.30 = 478,614.60 : x
  2. Step 2: Convert to fraction form
    583,979.40/875,904.30 = 478,614.60/x
  3. Step 3: Cross multiply
    583,979.40x = 875,904.30 × 478,614.60
  4. Step 4: Simplify right side
    583,979.40x = 419,220,586,182.78
  5. Step 5: Solve for x
    x = 419,220,586,182.78/583,979.40
  6. Step 6: Final answer
    x = 717,868.79

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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.