Home / 1,150,153.12-1,587,302.53-633,998.78

Finding the Fourth Proportional to 1,150,153.12, 1,587,302.53 and 633,998.78

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Solution

The fourth proportional to 1,150,153.12, 1,587,302.53 and 633,998.78 is: 874,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,153.12 : 1,587,302.53 = 633,998.78 : x
  2. Step 2: Convert to fraction form
    1,150,153.12/1,587,302.53 = 633,998.78/x
  3. Step 3: Cross multiply
    1,150,153.12x = 1,587,302.53 × 633,998.78
  4. Step 4: Simplify right side
    1,150,153.12x = 1,006,347,863,941.79
  5. Step 5: Solve for x
    x = 1,006,347,863,941.79/1,150,153.12
  6. Step 6: Final answer
    x = 874,968.60

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Double scale
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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.