Home / 876,340.30-1,316,822.24-471,831.58

Finding the Fourth Proportional to 876,340.30, 1,316,822.24 and 471,831.58

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Solution

The fourth proportional to 876,340.30, 1,316,822.24 and 471,831.58 is: 708,992.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,340.30 : 1,316,822.24 = 471,831.58 : x
  2. Step 2: Convert to fraction form
    876,340.30/1,316,822.24 = 471,831.58/x
  3. Step 3: Cross multiply
    876,340.30x = 1,316,822.24 × 471,831.58
  4. Step 4: Simplify right side
    876,340.30x = 621,318,325,430.52
  5. Step 5: Solve for x
    x = 621,318,325,430.52/876,340.30
  6. Step 6: Final answer
    x = 708,992.07

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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.