Home / 746,969.40-1,119,117.60-454,316.40

Finding the Fourth Proportional to 746,969.40, 1,119,117.60 and 454,316.40

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Solution

The fourth proportional to 746,969.40, 1,119,117.60 and 454,316.40 is: 680,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,969.40 : 1,119,117.60 = 454,316.40 : x
  2. Step 2: Convert to fraction form
    746,969.40/1,119,117.60 = 454,316.40/x
  3. Step 3: Cross multiply
    746,969.40x = 1,119,117.60 × 454,316.40
  4. Step 4: Simplify right side
    746,969.40x = 508,433,479,208.64
  5. Step 5: Solve for x
    x = 508,433,479,208.64/746,969.40
  6. Step 6: Final answer
    x = 680,661.72

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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.