Home / 1,267,199.55-1,748,720.75-686,411.55

Finding the Fourth Proportional to 1,267,199.55, 1,748,720.75 and 686,411.55

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Solution

The fourth proportional to 1,267,199.55, 1,748,720.75 and 686,411.55 is: 947,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,199.55 : 1,748,720.75 = 686,411.55 : x
  2. Step 2: Convert to fraction form
    1,267,199.55/1,748,720.75 = 686,411.55/x
  3. Step 3: Cross multiply
    1,267,199.55x = 1,748,720.75 × 686,411.55
  4. Step 4: Simplify right side
    1,267,199.55x = 1,200,342,117,092.61
  5. Step 5: Solve for x
    x = 1,200,342,117,092.61/1,267,199.55
  6. Step 6: Final answer
    x = 947,240.01

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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.