Home / 1,565,079.91-2,159,808.64-876,756.61

Finding the Fourth Proportional to 1,565,079.91, 2,159,808.64 and 876,756.61

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Solution

The fourth proportional to 1,565,079.91, 2,159,808.64 and 876,756.61 is: 1,209,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,079.91 : 2,159,808.64 = 876,756.61 : x
  2. Step 2: Convert to fraction form
    1,565,079.91/2,159,808.64 = 876,756.61/x
  3. Step 3: Cross multiply
    1,565,079.91x = 2,159,808.64 × 876,756.61
  4. Step 4: Simplify right side
    1,565,079.91x = 1,893,626,507,509.46
  5. Step 5: Solve for x
    x = 1,893,626,507,509.46/1,565,079.91
  6. Step 6: Final answer
    x = 1,209,923.21

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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.