Home / 1,169,938.86-1,614,526.30-686,512.06

Finding the Fourth Proportional to 1,169,938.86, 1,614,526.30 and 686,512.06

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Solution

The fourth proportional to 1,169,938.86, 1,614,526.30 and 686,512.06 is: 947,392.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,938.86 : 1,614,526.30 = 686,512.06 : x
  2. Step 2: Convert to fraction form
    1,169,938.86/1,614,526.30 = 686,512.06/x
  3. Step 3: Cross multiply
    1,169,938.86x = 1,614,526.30 × 686,512.06
  4. Step 4: Simplify right side
    1,169,938.86x = 1,108,391,776,137.18
  5. Step 5: Solve for x
    x = 1,108,391,776,137.18/1,169,938.86
  6. Step 6: Final answer
    x = 947,392.91

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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.