Home / 786,048.40-1,178,856.60-217,294.48

Finding the Fourth Proportional to 786,048.40, 1,178,856.60 and 217,294.48

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Solution

The fourth proportional to 786,048.40, 1,178,856.60 and 217,294.48 is: 325,882.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,048.40 : 1,178,856.60 = 217,294.48 : x
  2. Step 2: Convert to fraction form
    786,048.40/1,178,856.60 = 217,294.48/x
  3. Step 3: Cross multiply
    786,048.40x = 1,178,856.60 × 217,294.48
  4. Step 4: Simplify right side
    786,048.40x = 256,159,031,891.57
  5. Step 5: Solve for x
    x = 256,159,031,891.57/786,048.40
  6. Step 6: Final answer
    x = 325,882.01

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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.