Home / 903,516.15-1,246,643.19-540,802.20

Finding the Fourth Proportional to 903,516.15, 1,246,643.19 and 540,802.20

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Solution

The fourth proportional to 903,516.15, 1,246,643.19 and 540,802.20 is: 746,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,516.15 : 1,246,643.19 = 540,802.20 : x
  2. Step 2: Convert to fraction form
    903,516.15/1,246,643.19 = 540,802.20/x
  3. Step 3: Cross multiply
    903,516.15x = 1,246,643.19 × 540,802.20
  4. Step 4: Simplify right side
    903,516.15x = 674,187,379,767.02
  5. Step 5: Solve for x
    x = 674,187,379,767.02/903,516.15
  6. Step 6: Final answer
    x = 746,181.88

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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.