Home / 838,278.02-1,156,776.75-456,282.02

Finding the Fourth Proportional to 838,278.02, 1,156,776.75 and 456,282.02

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Solution

The fourth proportional to 838,278.02, 1,156,776.75 and 456,282.02 is: 629,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,278.02 : 1,156,776.75 = 456,282.02 : x
  2. Step 2: Convert to fraction form
    838,278.02/1,156,776.75 = 456,282.02/x
  3. Step 3: Cross multiply
    838,278.02x = 1,156,776.75 × 456,282.02
  4. Step 4: Simplify right side
    838,278.02x = 527,816,432,179.04
  5. Step 5: Solve for x
    x = 527,816,432,179.04/838,278.02
  6. Step 6: Final answer
    x = 629,643.65

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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.