Home / 917,179.50-1,377,602.84-553,168.85

Finding the Fourth Proportional to 917,179.50, 1,377,602.84 and 553,168.85

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Solution

The fourth proportional to 917,179.50, 1,377,602.84 and 553,168.85 is: 830,859.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,179.50 : 1,377,602.84 = 553,168.85 : x
  2. Step 2: Convert to fraction form
    917,179.50/1,377,602.84 = 553,168.85/x
  3. Step 3: Cross multiply
    917,179.50x = 1,377,602.84 × 553,168.85
  4. Step 4: Simplify right side
    917,179.50x = 762,046,973,254.44
  5. Step 5: Solve for x
    x = 762,046,973,254.44/917,179.50
  6. Step 6: Final answer
    x = 830,859.14

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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.