Home / 749,432.16-1,034,644.32-495,519.84

Finding the Fourth Proportional to 749,432.16, 1,034,644.32 and 495,519.84

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Solution

The fourth proportional to 749,432.16, 1,034,644.32 and 495,519.84 is: 684,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,432.16 : 1,034,644.32 = 495,519.84 : x
  2. Step 2: Convert to fraction form
    749,432.16/1,034,644.32 = 495,519.84/x
  3. Step 3: Cross multiply
    749,432.16x = 1,034,644.32 × 495,519.84
  4. Step 4: Simplify right side
    749,432.16x = 512,686,787,903.31
  5. Step 5: Solve for x
    x = 512,686,787,903.31/749,432.16
  6. Step 6: Final answer
    x = 684,100.33

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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.