Home / 741,699.23-1,023,565.07-419,457.52

Finding the Fourth Proportional to 741,699.23, 1,023,565.07 and 419,457.52

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Solution

The fourth proportional to 741,699.23, 1,023,565.07 and 419,457.52 is: 578,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,699.23 : 1,023,565.07 = 419,457.52 : x
  2. Step 2: Convert to fraction form
    741,699.23/1,023,565.07 = 419,457.52/x
  3. Step 3: Cross multiply
    741,699.23x = 1,023,565.07 × 419,457.52
  4. Step 4: Simplify right side
    741,699.23x = 429,342,065,820.83
  5. Step 5: Solve for x
    x = 429,342,065,820.83/741,699.23
  6. Step 6: Final answer
    x = 578,862.76

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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.