Home / 656,293.20-984,828.60-478,352.40

Finding the Fourth Proportional to 656,293.20, 984,828.60 and 478,352.40

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Solution

The fourth proportional to 656,293.20, 984,828.60 and 478,352.40 is: 717,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,293.20 : 984,828.60 = 478,352.40 : x
  2. Step 2: Convert to fraction form
    656,293.20/984,828.60 = 478,352.40/x
  3. Step 3: Cross multiply
    656,293.20x = 984,828.60 × 478,352.40
  4. Step 4: Simplify right side
    656,293.20x = 471,095,124,398.64
  5. Step 5: Solve for x
    x = 471,095,124,398.64/656,293.20
  6. Step 6: Final answer
    x = 717,811.98

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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.