Home / 1,237,531.19-1,707,706.65-686,274.83

Finding the Fourth Proportional to 1,237,531.19, 1,707,706.65 and 686,274.83

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Solution

The fourth proportional to 1,237,531.19, 1,707,706.65 and 686,274.83 is: 947,011.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,531.19 : 1,707,706.65 = 686,274.83 : x
  2. Step 2: Convert to fraction form
    1,237,531.19/1,707,706.65 = 686,274.83/x
  3. Step 3: Cross multiply
    1,237,531.19x = 1,707,706.65 × 686,274.83
  4. Step 4: Simplify right side
    1,237,531.19x = 1,171,956,087,497.22
  5. Step 5: Solve for x
    x = 1,171,956,087,497.22/1,237,531.19
  6. Step 6: Final answer
    x = 947,011.36

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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.