Home / 1,478,004.70-2,217,881.85-974,022.70

Finding the Fourth Proportional to 1,478,004.70, 2,217,881.85 and 974,022.70

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Solution

The fourth proportional to 1,478,004.70, 2,217,881.85 and 974,022.70 is: 1,461,610.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,004.70 : 2,217,881.85 = 974,022.70 : x
  2. Step 2: Convert to fraction form
    1,478,004.70/2,217,881.85 = 974,022.70/x
  3. Step 3: Cross multiply
    1,478,004.70x = 2,217,881.85 × 974,022.70
  4. Step 4: Simplify right side
    1,478,004.70x = 2,160,267,267,818.00
  5. Step 5: Solve for x
    x = 2,160,267,267,818.00/1,478,004.70
  6. Step 6: Final answer
    x = 1,461,610.55

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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.