Home / 831,127.32-1,147,134.02-525,009

Finding the Fourth Proportional to 831,127.32, 1,147,134.02 and 525,009

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Solution

The fourth proportional to 831,127.32, 1,147,134.02 and 525,009 is: 724,625.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,127.32 : 1,147,134.02 = 525,009 : x
  2. Step 2: Convert to fraction form
    831,127.32/1,147,134.02 = 525,009/x
  3. Step 3: Cross multiply
    831,127.32x = 1,147,134.02 × 525,009
  4. Step 4: Simplify right side
    831,127.32x = 602,255,684,706.18
  5. Step 5: Solve for x
    x = 602,255,684,706.18/831,127.32
  6. Step 6: Final answer
    x = 724,625.06

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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.