Home / 831,574.12-1,147,750.32-525,456.16

Finding the Fourth Proportional to 831,574.12, 1,147,750.32 and 525,456.16

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Solution

The fourth proportional to 831,574.12, 1,147,750.32 and 525,456.16 is: 725,242.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,574.12 : 1,147,750.32 = 525,456.16 : x
  2. Step 2: Convert to fraction form
    831,574.12/1,147,750.32 = 525,456.16/x
  3. Step 3: Cross multiply
    831,574.12x = 1,147,750.32 × 525,456.16
  4. Step 4: Simplify right side
    831,574.12x = 603,092,475,785.97
  5. Step 5: Solve for x
    x = 603,092,475,785.97/831,574.12
  6. Step 6: Final answer
    x = 725,242.00

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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.