Home / 784,512.84-1,177,166.70-358,001.40

Finding the Fourth Proportional to 784,512.84, 1,177,166.70 and 358,001.40

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Solution

The fourth proportional to 784,512.84, 1,177,166.70 and 358,001.40 is: 537,183.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,512.84 : 1,177,166.70 = 358,001.40 : x
  2. Step 2: Convert to fraction form
    784,512.84/1,177,166.70 = 358,001.40/x
  3. Step 3: Cross multiply
    784,512.84x = 1,177,166.70 × 358,001.40
  4. Step 4: Simplify right side
    784,512.84x = 421,427,326,633.38
  5. Step 5: Solve for x
    x = 421,427,326,633.38/784,512.84
  6. Step 6: Final answer
    x = 537,183.47

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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.