Home / 838,401.54-1,156,957.83-456,429.66

Finding the Fourth Proportional to 838,401.54, 1,156,957.83 and 456,429.66

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Solution

The fourth proportional to 838,401.54, 1,156,957.83 and 456,429.66 is: 629,853.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,401.54 : 1,156,957.83 = 456,429.66 : x
  2. Step 2: Convert to fraction form
    838,401.54/1,156,957.83 = 456,429.66/x
  3. Step 3: Cross multiply
    838,401.54x = 1,156,957.83 × 456,429.66
  4. Step 4: Simplify right side
    838,401.54x = 528,069,868,981.24
  5. Step 5: Solve for x
    x = 528,069,868,981.24/838,401.54
  6. Step 6: Final answer
    x = 629,853.17

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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.