Home / 1,090,205.10-1,635,307.65-754,281.90

Finding the Fourth Proportional to 1,090,205.10, 1,635,307.65 and 754,281.90

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Solution

The fourth proportional to 1,090,205.10, 1,635,307.65 and 754,281.90 is: 1,131,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,205.10 : 1,635,307.65 = 754,281.90 : x
  2. Step 2: Convert to fraction form
    1,090,205.10/1,635,307.65 = 754,281.90/x
  3. Step 3: Cross multiply
    1,090,205.10x = 1,635,307.65 × 754,281.90
  4. Step 4: Simplify right side
    1,090,205.10x = 1,233,482,961,326.53
  5. Step 5: Solve for x
    x = 1,233,482,961,326.53/1,090,205.10
  6. Step 6: Final answer
    x = 1,131,422.85

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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.