Home / 688,230.06-949,784.13-382,329.66

Finding the Fourth Proportional to 688,230.06, 949,784.13 and 382,329.66

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Solution

The fourth proportional to 688,230.06, 949,784.13 and 382,329.66 is: 527,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,230.06 : 949,784.13 = 382,329.66 : x
  2. Step 2: Convert to fraction form
    688,230.06/949,784.13 = 382,329.66/x
  3. Step 3: Cross multiply
    688,230.06x = 949,784.13 × 382,329.66
  4. Step 4: Simplify right side
    688,230.06x = 363,130,643,496.30
  5. Step 5: Solve for x
    x = 363,130,643,496.30/688,230.06
  6. Step 6: Final answer
    x = 527,629.73

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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.