Home / 1,116,868.12-1,675,280.56-318,154.84

Finding the Fourth Proportional to 1,116,868.12, 1,675,280.56 and 318,154.84

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Solution

The fourth proportional to 1,116,868.12, 1,675,280.56 and 318,154.84 is: 477,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,868.12 : 1,675,280.56 = 318,154.84 : x
  2. Step 2: Convert to fraction form
    1,116,868.12/1,675,280.56 = 318,154.84/x
  3. Step 3: Cross multiply
    1,116,868.12x = 1,675,280.56 × 318,154.84
  4. Step 4: Simplify right side
    1,116,868.12x = 532,998,618,521.91
  5. Step 5: Solve for x
    x = 532,998,618,521.91/1,116,868.12
  6. Step 6: Final answer
    x = 477,226.10

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1.5x scale

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.