Home / 1,406,410.97-1,940,856.45-761,831.16

Finding the Fourth Proportional to 1,406,410.97, 1,940,856.45 and 761,831.16

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Solution

The fourth proportional to 1,406,410.97, 1,940,856.45 and 761,831.16 is: 1,051,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,410.97 : 1,940,856.45 = 761,831.16 : x
  2. Step 2: Convert to fraction form
    1,406,410.97/1,940,856.45 = 761,831.16/x
  3. Step 3: Cross multiply
    1,406,410.97x = 1,940,856.45 × 761,831.16
  4. Step 4: Simplify right side
    1,406,410.97x = 1,478,604,920,696.98
  5. Step 5: Solve for x
    x = 1,478,604,920,696.98/1,406,410.97
  6. Step 6: Final answer
    x = 1,051,332.05

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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.