Home / 1,545,849.60-2,318,774.40-423,916.80

Finding the Fourth Proportional to 1,545,849.60, 2,318,774.40 and 423,916.80

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Solution

The fourth proportional to 1,545,849.60, 2,318,774.40 and 423,916.80 is: 635,875.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,849.60 : 2,318,774.40 = 423,916.80 : x
  2. Step 2: Convert to fraction form
    1,545,849.60/2,318,774.40 = 423,916.80/x
  3. Step 3: Cross multiply
    1,545,849.60x = 2,318,774.40 × 423,916.80
  4. Step 4: Simplify right side
    1,545,849.60x = 982,967,423,569.92
  5. Step 5: Solve for x
    x = 982,967,423,569.92/1,545,849.60
  6. Step 6: Final answer
    x = 635,875.20

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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.