Home / 1,098,526.20-1,644,563.70-819,281.40

Finding the Fourth Proportional to 1,098,526.20, 1,644,563.70 and 819,281.40

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Solution

The fourth proportional to 1,098,526.20, 1,644,563.70 and 819,281.40 is: 1,226,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,526.20 : 1,644,563.70 = 819,281.40 : x
  2. Step 2: Convert to fraction form
    1,098,526.20/1,644,563.70 = 819,281.40/x
  3. Step 3: Cross multiply
    1,098,526.20x = 1,644,563.70 × 819,281.40
  4. Step 4: Simplify right side
    1,098,526.20x = 1,347,360,450,525.18
  5. Step 5: Solve for x
    x = 1,347,360,450,525.18/1,098,526.20
  6. Step 6: Final answer
    x = 1,226,516.45

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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.