Home / 914,519.98-1,262,024.25-506,621.14

Finding the Fourth Proportional to 914,519.98, 1,262,024.25 and 506,621.14

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Solution

The fourth proportional to 914,519.98, 1,262,024.25 and 506,621.14 is: 699,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,519.98 : 1,262,024.25 = 506,621.14 : x
  2. Step 2: Convert to fraction form
    914,519.98/1,262,024.25 = 506,621.14/x
  3. Step 3: Cross multiply
    914,519.98x = 1,262,024.25 × 506,621.14
  4. Step 4: Simplify right side
    914,519.98x = 639,368,164,242.65
  5. Step 5: Solve for x
    x = 639,368,164,242.65/914,519.98
  6. Step 6: Final answer
    x = 699,129.79

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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.