Home / 831,737.61-1,147,029.81-525,280.59

Finding the Fourth Proportional to 831,737.61, 1,147,029.81 and 525,280.59

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Solution

The fourth proportional to 831,737.61, 1,147,029.81 and 525,280.59 is: 724,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,737.61 : 1,147,029.81 = 525,280.59 : x
  2. Step 2: Convert to fraction form
    831,737.61/1,147,029.81 = 525,280.59/x
  3. Step 3: Cross multiply
    831,737.61x = 1,147,029.81 × 525,280.59
  4. Step 4: Simplify right side
    831,737.61x = 602,512,495,344.39
  5. Step 5: Solve for x
    x = 602,512,495,344.39/831,737.61
  6. Step 6: Final answer
    x = 724,402.13

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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.