Home / 646,014.38-891,499.84-359,602.12

Finding the Fourth Proportional to 646,014.38, 891,499.84 and 359,602.12

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Solution

The fourth proportional to 646,014.38, 891,499.84 and 359,602.12 is: 496,250.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,014.38 : 891,499.84 = 359,602.12 : x
  2. Step 2: Convert to fraction form
    646,014.38/891,499.84 = 359,602.12/x
  3. Step 3: Cross multiply
    646,014.38x = 891,499.84 × 359,602.12
  4. Step 4: Simplify right side
    646,014.38x = 320,585,232,443.66
  5. Step 5: Solve for x
    x = 320,585,232,443.66/646,014.38
  6. Step 6: Final answer
    x = 496,250.92

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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.