Home / 1,186,124.61-1,636,969.20-676,903.53

Finding the Fourth Proportional to 1,186,124.61, 1,636,969.20 and 676,903.53

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Solution

The fourth proportional to 1,186,124.61, 1,636,969.20 and 676,903.53 is: 934,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,124.61 : 1,636,969.20 = 676,903.53 : x
  2. Step 2: Convert to fraction form
    1,186,124.61/1,636,969.20 = 676,903.53/x
  3. Step 3: Cross multiply
    1,186,124.61x = 1,636,969.20 × 676,903.53
  4. Step 4: Simplify right side
    1,186,124.61x = 1,108,070,229,981.28
  5. Step 5: Solve for x
    x = 1,108,070,229,981.28/1,186,124.61
  6. Step 6: Final answer
    x = 934,193.78

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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.