Home / 831,512.71-1,147,074.99-537,061.18

Finding the Fourth Proportional to 831,512.71, 1,147,074.99 and 537,061.18

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Solution

The fourth proportional to 831,512.71, 1,147,074.99 and 537,061.18 is: 740,877.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,512.71 : 1,147,074.99 = 537,061.18 : x
  2. Step 2: Convert to fraction form
    831,512.71/1,147,074.99 = 537,061.18/x
  3. Step 3: Cross multiply
    831,512.71x = 1,147,074.99 × 537,061.18
  4. Step 4: Simplify right side
    831,512.71x = 616,049,441,942.51
  5. Step 5: Solve for x
    x = 616,049,441,942.51/831,512.71
  6. Step 6: Final answer
    x = 740,877.97

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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.