Home / 768,045.60-1,152,068.40-694,562.40

Finding the Fourth Proportional to 768,045.60, 1,152,068.40 and 694,562.40

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Solution

The fourth proportional to 768,045.60, 1,152,068.40 and 694,562.40 is: 1,041,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,045.60 : 1,152,068.40 = 694,562.40 : x
  2. Step 2: Convert to fraction form
    768,045.60/1,152,068.40 = 694,562.40/x
  3. Step 3: Cross multiply
    768,045.60x = 1,152,068.40 × 694,562.40
  4. Step 4: Simplify right side
    768,045.60x = 800,183,392,868.16
  5. Step 5: Solve for x
    x = 800,183,392,868.16/768,045.60
  6. Step 6: Final answer
    x = 1,041,843.60

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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.