Home / 847,733.14-1,169,541.53-480,125.78

Finding the Fourth Proportional to 847,733.14, 1,169,541.53 and 480,125.78

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Solution

The fourth proportional to 847,733.14, 1,169,541.53 and 480,125.78 is: 662,386.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,733.14 : 1,169,541.53 = 480,125.78 : x
  2. Step 2: Convert to fraction form
    847,733.14/1,169,541.53 = 480,125.78/x
  3. Step 3: Cross multiply
    847,733.14x = 1,169,541.53 × 480,125.78
  4. Step 4: Simplify right side
    847,733.14x = 561,527,039,972.27
  5. Step 5: Solve for x
    x = 561,527,039,972.27/847,733.14
  6. Step 6: Final answer
    x = 662,386.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.