Home / 918,795.60-1,377,628.92-357,175.44

Finding the Fourth Proportional to 918,795.60, 1,377,628.92 and 357,175.44

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Solution

The fourth proportional to 918,795.60, 1,377,628.92 and 357,175.44 is: 535,543.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,795.60 : 1,377,628.92 = 357,175.44 : x
  2. Step 2: Convert to fraction form
    918,795.60/1,377,628.92 = 357,175.44/x
  3. Step 3: Cross multiply
    918,795.60x = 1,377,628.92 × 357,175.44
  4. Step 4: Simplify right side
    918,795.60x = 492,055,215,657.73
  5. Step 5: Solve for x
    x = 492,055,215,657.73/918,795.60
  6. Step 6: Final answer
    x = 535,543.72

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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.