Home / 1,015,423.86-1,401,922.07-653,476.74

Finding the Fourth Proportional to 1,015,423.86, 1,401,922.07 and 653,476.74

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Solution

The fourth proportional to 1,015,423.86, 1,401,922.07 and 653,476.74 is: 902,207.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,423.86 : 1,401,922.07 = 653,476.74 : x
  2. Step 2: Convert to fraction form
    1,015,423.86/1,401,922.07 = 653,476.74/x
  3. Step 3: Cross multiply
    1,015,423.86x = 1,401,922.07 × 653,476.74
  4. Step 4: Simplify right side
    1,015,423.86x = 916,123,464,037.65
  5. Step 5: Solve for x
    x = 916,123,464,037.65/1,015,423.86
  6. Step 6: Final answer
    x = 902,207.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.