Home / 746,056.90-1,119,085.35-644,580.10

Finding the Fourth Proportional to 746,056.90, 1,119,085.35 and 644,580.10

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Solution

The fourth proportional to 746,056.90, 1,119,085.35 and 644,580.10 is: 966,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,056.90 : 1,119,085.35 = 644,580.10 : x
  2. Step 2: Convert to fraction form
    746,056.90/1,119,085.35 = 644,580.10/x
  3. Step 3: Cross multiply
    746,056.90x = 1,119,085.35 × 644,580.10
  4. Step 4: Simplify right side
    746,056.90x = 721,340,146,811.54
  5. Step 5: Solve for x
    x = 721,340,146,811.54/746,056.90
  6. Step 6: Final answer
    x = 966,870.15

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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.