Home / 905,061.60-1,357,592.40-603,911.70

Finding the Fourth Proportional to 905,061.60, 1,357,592.40 and 603,911.70

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Solution

The fourth proportional to 905,061.60, 1,357,592.40 and 603,911.70 is: 905,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,061.60 : 1,357,592.40 = 603,911.70 : x
  2. Step 2: Convert to fraction form
    905,061.60/1,357,592.40 = 603,911.70/x
  3. Step 3: Cross multiply
    905,061.60x = 1,357,592.40 × 603,911.70
  4. Step 4: Simplify right side
    905,061.60x = 819,865,934,191.08
  5. Step 5: Solve for x
    x = 819,865,934,191.08/905,061.60
  6. Step 6: Final answer
    x = 905,867.55

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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.