Home / 1,098,985.70-1,648,478.55-1,004,507.30

Finding the Fourth Proportional to 1,098,985.70, 1,648,478.55 and 1,004,507.30

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Solution

The fourth proportional to 1,098,985.70, 1,648,478.55 and 1,004,507.30 is: 1,506,760.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,985.70 : 1,648,478.55 = 1,004,507.30 : x
  2. Step 2: Convert to fraction form
    1,098,985.70/1,648,478.55 = 1,004,507.30/x
  3. Step 3: Cross multiply
    1,098,985.70x = 1,648,478.55 × 1,004,507.30
  4. Step 4: Simplify right side
    1,098,985.70x = 1,655,908,737,368.42
  5. Step 5: Solve for x
    x = 1,655,908,737,368.42/1,098,985.70
  6. Step 6: Final answer
    x = 1,506,760.95

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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.