Home / 982,901.32-1,356,822.22-660,798.16

Finding the Fourth Proportional to 982,901.32, 1,356,822.22 and 660,798.16

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Solution

The fourth proportional to 982,901.32, 1,356,822.22 and 660,798.16 is: 912,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,901.32 : 1,356,822.22 = 660,798.16 : x
  2. Step 2: Convert to fraction form
    982,901.32/1,356,822.22 = 660,798.16/x
  3. Step 3: Cross multiply
    982,901.32x = 1,356,822.22 × 660,798.16
  4. Step 4: Simplify right side
    982,901.32x = 896,585,626,423.12
  5. Step 5: Solve for x
    x = 896,585,626,423.12/982,901.32
  6. Step 6: Final answer
    x = 912,182.75

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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.