Home / 783,160.30-1,080,518.48-438,948.52

Finding the Fourth Proportional to 783,160.30, 1,080,518.48 and 438,948.52

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Solution

The fourth proportional to 783,160.30, 1,080,518.48 and 438,948.52 is: 605,612.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,160.30 : 1,080,518.48 = 438,948.52 : x
  2. Step 2: Convert to fraction form
    783,160.30/1,080,518.48 = 438,948.52/x
  3. Step 3: Cross multiply
    783,160.30x = 1,080,518.48 × 438,948.52
  4. Step 4: Simplify right side
    783,160.30x = 474,291,986,847.75
  5. Step 5: Solve for x
    x = 474,291,986,847.75/783,160.30
  6. Step 6: Final answer
    x = 605,612.91

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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.