Home / 876,635.70-1,314,953.55-578,037.30

Finding the Fourth Proportional to 876,635.70, 1,314,953.55 and 578,037.30

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Solution

The fourth proportional to 876,635.70, 1,314,953.55 and 578,037.30 is: 867,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,635.70 : 1,314,953.55 = 578,037.30 : x
  2. Step 2: Convert to fraction form
    876,635.70/1,314,953.55 = 578,037.30/x
  3. Step 3: Cross multiply
    876,635.70x = 1,314,953.55 × 578,037.30
  4. Step 4: Simplify right side
    876,635.70x = 760,092,199,667.42
  5. Step 5: Solve for x
    x = 760,092,199,667.42/876,635.70
  6. Step 6: Final answer
    x = 867,055.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.