Home / 895,143.52-1,235,261.76-512,904.64

Finding the Fourth Proportional to 895,143.52, 1,235,261.76 and 512,904.64

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Solution

The fourth proportional to 895,143.52, 1,235,261.76 and 512,904.64 is: 707,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,143.52 : 1,235,261.76 = 512,904.64 : x
  2. Step 2: Convert to fraction form
    895,143.52/1,235,261.76 = 512,904.64/x
  3. Step 3: Cross multiply
    895,143.52x = 1,235,261.76 × 512,904.64
  4. Step 4: Simplify right side
    895,143.52x = 633,571,488,318.57
  5. Step 5: Solve for x
    x = 633,571,488,318.57/895,143.52
  6. Step 6: Final answer
    x = 707,787.61

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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.