Home / 811,524.30-1,119,702.33-524,699.25

Finding the Fourth Proportional to 811,524.30, 1,119,702.33 and 524,699.25

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Solution

The fourth proportional to 811,524.30, 1,119,702.33 and 524,699.25 is: 723,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,524.30 : 1,119,702.33 = 524,699.25 : x
  2. Step 2: Convert to fraction form
    811,524.30/1,119,702.33 = 524,699.25/x
  3. Step 3: Cross multiply
    811,524.30x = 1,119,702.33 × 524,699.25
  4. Step 4: Simplify right side
    811,524.30x = 587,506,972,774.25
  5. Step 5: Solve for x
    x = 587,506,972,774.25/811,524.30
  6. Step 6: Final answer
    x = 723,954.87

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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.