Home / 1,271,356.84-1,754,385.78-698,421.16

Finding the Fourth Proportional to 1,271,356.84, 1,754,385.78 and 698,421.16

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Solution

The fourth proportional to 1,271,356.84, 1,754,385.78 and 698,421.16 is: 963,773.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,356.84 : 1,754,385.78 = 698,421.16 : x
  2. Step 2: Convert to fraction form
    1,271,356.84/1,754,385.78 = 698,421.16/x
  3. Step 3: Cross multiply
    1,271,356.84x = 1,754,385.78 × 698,421.16
  4. Step 4: Simplify right side
    1,271,356.84x = 1,225,300,151,555.11
  5. Step 5: Solve for x
    x = 1,225,300,151,555.11/1,271,356.84
  6. Step 6: Final answer
    x = 963,773.59

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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.