Home / 1,206,343.16-1,663,831.10-819,456.90

Finding the Fourth Proportional to 1,206,343.16, 1,663,831.10 and 819,456.90

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Solution

The fourth proportional to 1,206,343.16, 1,663,831.10 and 819,456.90 is: 1,130,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,343.16 : 1,663,831.10 = 819,456.90 : x
  2. Step 2: Convert to fraction form
    1,206,343.16/1,663,831.10 = 819,456.90/x
  3. Step 3: Cross multiply
    1,206,343.16x = 1,663,831.10 × 819,456.90
  4. Step 4: Simplify right side
    1,206,343.16x = 1,363,437,875,329.59
  5. Step 5: Solve for x
    x = 1,363,437,875,329.59/1,206,343.16
  6. Step 6: Final answer
    x = 1,130,223.90

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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.