Home / 831,510.70-1,147,072.23-537,059.17

Finding the Fourth Proportional to 831,510.70, 1,147,072.23 and 537,059.17

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Solution

The fourth proportional to 831,510.70, 1,147,072.23 and 537,059.17 is: 740,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,510.70 : 1,147,072.23 = 537,059.17 : x
  2. Step 2: Convert to fraction form
    831,510.70/1,147,072.23 = 537,059.17/x
  3. Step 3: Cross multiply
    831,510.70x = 1,147,072.23 × 537,059.17
  4. Step 4: Simplify right side
    831,510.70x = 616,045,661,207.69
  5. Step 5: Solve for x
    x = 616,045,661,207.69/831,510.70
  6. Step 6: Final answer
    x = 740,875.21

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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.