Home / 1,696,605.59-2,546,721.18-686,387.77

Finding the Fourth Proportional to 1,696,605.59, 2,546,721.18 and 686,387.77

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Solution

The fourth proportional to 1,696,605.59, 2,546,721.18 and 686,387.77 is: 1,030,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,605.59 : 2,546,721.18 = 686,387.77 : x
  2. Step 2: Convert to fraction form
    1,696,605.59/2,546,721.18 = 686,387.77/x
  3. Step 3: Cross multiply
    1,696,605.59x = 2,546,721.18 × 686,387.77
  4. Step 4: Simplify right side
    1,696,605.59x = 1,748,038,265,185.17
  5. Step 5: Solve for x
    x = 1,748,038,265,185.17/1,696,605.59
  6. Step 6: Final answer
    x = 1,030,315.04

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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.