Home / 558,935.60-838,403.40-534,441.20

Finding the Fourth Proportional to 558,935.60, 838,403.40 and 534,441.20

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Solution

The fourth proportional to 558,935.60, 838,403.40 and 534,441.20 is: 801,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,935.60 : 838,403.40 = 534,441.20 : x
  2. Step 2: Convert to fraction form
    558,935.60/838,403.40 = 534,441.20/x
  3. Step 3: Cross multiply
    558,935.60x = 838,403.40 × 534,441.20
  4. Step 4: Simplify right side
    558,935.60x = 448,077,319,180.08
  5. Step 5: Solve for x
    x = 448,077,319,180.08/558,935.60
  6. Step 6: Final answer
    x = 801,661.80

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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.