Home / 876,764.32-1,208,833.20-715,455.52

Finding the Fourth Proportional to 876,764.32, 1,208,833.20 and 715,455.52

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Solution

The fourth proportional to 876,764.32, 1,208,833.20 and 715,455.52 is: 986,429.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,764.32 : 1,208,833.20 = 715,455.52 : x
  2. Step 2: Convert to fraction form
    876,764.32/1,208,833.20 = 715,455.52/x
  3. Step 3: Cross multiply
    876,764.32x = 1,208,833.20 × 715,455.52
  4. Step 4: Simplify right side
    876,764.32x = 864,866,385,699.26
  5. Step 5: Solve for x
    x = 864,866,385,699.26/876,764.32
  6. Step 6: Final answer
    x = 986,429.72

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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.