Home / 1,457,515.08-2,186,024.76-392,319.72

Finding the Fourth Proportional to 1,457,515.08, 2,186,024.76 and 392,319.72

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Solution

The fourth proportional to 1,457,515.08, 2,186,024.76 and 392,319.72 is: 588,412.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,515.08 : 2,186,024.76 = 392,319.72 : x
  2. Step 2: Convert to fraction form
    1,457,515.08/2,186,024.76 = 392,319.72/x
  3. Step 3: Cross multiply
    1,457,515.08x = 2,186,024.76 × 392,319.72
  4. Step 4: Simplify right side
    1,457,515.08x = 857,620,621,756.27
  5. Step 5: Solve for x
    x = 857,620,621,756.27/1,457,515.08
  6. Step 6: Final answer
    x = 588,412.86

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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.