Home / 912,685.10-1,366,931.52-455,874.19

Finding the Fourth Proportional to 912,685.10, 1,366,931.52 and 455,874.19

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Solution

The fourth proportional to 912,685.10, 1,366,931.52 and 455,874.19 is: 682,764.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,685.10 : 1,366,931.52 = 455,874.19 : x
  2. Step 2: Convert to fraction form
    912,685.10/1,366,931.52 = 455,874.19/x
  3. Step 3: Cross multiply
    912,685.10x = 1,366,931.52 × 455,874.19
  4. Step 4: Simplify right side
    912,685.10x = 623,148,792,630.81
  5. Step 5: Solve for x
    x = 623,148,792,630.81/912,685.10
  6. Step 6: Final answer
    x = 682,764.29

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1.5x scale

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.