Home / 665,365.56-917,248.46-474,046.80

Finding the Fourth Proportional to 665,365.56, 917,248.46 and 474,046.80

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Solution

The fourth proportional to 665,365.56, 917,248.46 and 474,046.80 is: 653,503.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,365.56 : 917,248.46 = 474,046.80 : x
  2. Step 2: Convert to fraction form
    665,365.56/917,248.46 = 474,046.80/x
  3. Step 3: Cross multiply
    665,365.56x = 917,248.46 × 474,046.80
  4. Step 4: Simplify right side
    665,365.56x = 434,818,697,267.93
  5. Step 5: Solve for x
    x = 434,818,697,267.93/665,365.56
  6. Step 6: Final answer
    x = 653,503.46

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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.