Home / 807,531.07-1,114,442.64-444,954.87

Finding the Fourth Proportional to 807,531.07, 1,114,442.64 and 444,954.87

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Solution

The fourth proportional to 807,531.07, 1,114,442.64 and 444,954.87 is: 614,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,531.07 : 1,114,442.64 = 444,954.87 : x
  2. Step 2: Convert to fraction form
    807,531.07/1,114,442.64 = 444,954.87/x
  3. Step 3: Cross multiply
    807,531.07x = 1,114,442.64 × 444,954.87
  4. Step 4: Simplify right side
    807,531.07x = 495,876,678,329.94
  5. Step 5: Solve for x
    x = 495,876,678,329.94/807,531.07
  6. Step 6: Final answer
    x = 614,065.14

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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.