Home / 1,013,923.31-1,520,339.42-406,406.70

Finding the Fourth Proportional to 1,013,923.31, 1,520,339.42 and 406,406.70

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Solution

The fourth proportional to 1,013,923.31, 1,520,339.42 and 406,406.70 is: 609,391.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,923.31 : 1,520,339.42 = 406,406.70 : x
  2. Step 2: Convert to fraction form
    1,013,923.31/1,520,339.42 = 406,406.70/x
  3. Step 3: Cross multiply
    1,013,923.31x = 1,520,339.42 × 406,406.70
  4. Step 4: Simplify right side
    1,013,923.31x = 617,876,127,578.13
  5. Step 5: Solve for x
    x = 617,876,127,578.13/1,013,923.31
  6. Step 6: Final answer
    x = 609,391.39

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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.