Home / 1,271,465.81-1,754,623.53-698,542.89

Finding the Fourth Proportional to 1,271,465.81, 1,754,623.53 and 698,542.89

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Solution

The fourth proportional to 1,271,465.81, 1,754,623.53 and 698,542.89 is: 963,989.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,465.81 : 1,754,623.53 = 698,542.89 : x
  2. Step 2: Convert to fraction form
    1,271,465.81/1,754,623.53 = 698,542.89/x
  3. Step 3: Cross multiply
    1,271,465.81x = 1,754,623.53 × 698,542.89
  4. Step 4: Simplify right side
    1,271,465.81x = 1,225,679,791,508.20
  5. Step 5: Solve for x
    x = 1,225,679,791,508.20/1,271,465.81
  6. Step 6: Final answer
    x = 963,989.58

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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.