Home / 1,079,609.79-1,618,330.90-369,151.95

Finding the Fourth Proportional to 1,079,609.79, 1,618,330.90 and 369,151.95

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Solution

The fourth proportional to 1,079,609.79, 1,618,330.90 and 369,151.95 is: 553,357.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,609.79 : 1,618,330.90 = 369,151.95 : x
  2. Step 2: Convert to fraction form
    1,079,609.79/1,618,330.90 = 369,151.95/x
  3. Step 3: Cross multiply
    1,079,609.79x = 1,618,330.90 × 369,151.95
  4. Step 4: Simplify right side
    1,079,609.79x = 597,409,998,465.72
  5. Step 5: Solve for x
    x = 597,409,998,465.72/1,079,609.79
  6. Step 6: Final answer
    x = 553,357.34

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Double scale
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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.