Home / 696,120.81-1,044,182.05-190,686.15

Finding the Fourth Proportional to 696,120.81, 1,044,182.05 and 190,686.15

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Solution

The fourth proportional to 696,120.81, 1,044,182.05 and 190,686.15 is: 286,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,120.81 : 1,044,182.05 = 190,686.15 : x
  2. Step 2: Convert to fraction form
    696,120.81/1,044,182.05 = 190,686.15/x
  3. Step 3: Cross multiply
    696,120.81x = 1,044,182.05 × 190,686.15
  4. Step 4: Simplify right side
    696,120.81x = 199,111,055,013.61
  5. Step 5: Solve for x
    x = 199,111,055,013.61/696,120.81
  6. Step 6: Final answer
    x = 286,029.45

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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.