Home / 926,324.10-1,389,486.15-626,948.10

Finding the Fourth Proportional to 926,324.10, 1,389,486.15 and 626,948.10

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Solution

The fourth proportional to 926,324.10, 1,389,486.15 and 626,948.10 is: 940,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,324.10 : 1,389,486.15 = 626,948.10 : x
  2. Step 2: Convert to fraction form
    926,324.10/1,389,486.15 = 626,948.10/x
  3. Step 3: Cross multiply
    926,324.10x = 1,389,486.15 × 626,948.10
  4. Step 4: Simplify right side
    926,324.10x = 871,135,701,718.82
  5. Step 5: Solve for x
    x = 871,135,701,718.82/926,324.10
  6. Step 6: Final answer
    x = 940,422.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.