Home / 1,664,894.70-2,496,248.55-653,407.20

Finding the Fourth Proportional to 1,664,894.70, 2,496,248.55 and 653,407.20

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Solution

The fourth proportional to 1,664,894.70, 2,496,248.55 and 653,407.20 is: 979,681.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,894.70 : 2,496,248.55 = 653,407.20 : x
  2. Step 2: Convert to fraction form
    1,664,894.70/2,496,248.55 = 653,407.20/x
  3. Step 3: Cross multiply
    1,664,894.70x = 2,496,248.55 × 653,407.20
  4. Step 4: Simplify right side
    1,664,894.70x = 1,631,066,775,559.56
  5. Step 5: Solve for x
    x = 1,631,066,775,559.56/1,664,894.70
  6. Step 6: Final answer
    x = 979,681.64

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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.