Home / 754,311.56-1,040,949.95-414,779.81

Finding the Fourth Proportional to 754,311.56, 1,040,949.95 and 414,779.81

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Solution

The fourth proportional to 754,311.56, 1,040,949.95 and 414,779.81 is: 572,396.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,311.56 : 1,040,949.95 = 414,779.81 : x
  2. Step 2: Convert to fraction form
    754,311.56/1,040,949.95 = 414,779.81/x
  3. Step 3: Cross multiply
    754,311.56x = 1,040,949.95 × 414,779.81
  4. Step 4: Simplify right side
    754,311.56x = 431,765,018,312.71
  5. Step 5: Solve for x
    x = 431,765,018,312.71/754,311.56
  6. Step 6: Final answer
    x = 572,396.13

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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.