Home / 903,909.52-1,247,353.32-496,001.08

Finding the Fourth Proportional to 903,909.52, 1,247,353.32 and 496,001.08

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Solution

The fourth proportional to 903,909.52, 1,247,353.32 and 496,001.08 is: 684,458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,909.52 : 1,247,353.32 = 496,001.08 : x
  2. Step 2: Convert to fraction form
    903,909.52/1,247,353.32 = 496,001.08/x
  3. Step 3: Cross multiply
    903,909.52x = 1,247,353.32 × 496,001.08
  4. Step 4: Simplify right side
    903,909.52x = 618,688,593,861.59
  5. Step 5: Solve for x
    x = 618,688,593,861.59/903,909.52
  6. Step 6: Final answer
    x = 684,458.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.