Home / 955,122.66-1,318,041.18-525,402.54

Finding the Fourth Proportional to 955,122.66, 1,318,041.18 and 525,402.54

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Solution

The fourth proportional to 955,122.66, 1,318,041.18 and 525,402.54 is: 725,040.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,122.66 : 1,318,041.18 = 525,402.54 : x
  2. Step 2: Convert to fraction form
    955,122.66/1,318,041.18 = 525,402.54/x
  3. Step 3: Cross multiply
    955,122.66x = 1,318,041.18 × 525,402.54
  4. Step 4: Simplify right side
    955,122.66x = 692,502,183,796.60
  5. Step 5: Solve for x
    x = 692,502,183,796.60/955,122.66
  6. Step 6: Final answer
    x = 725,040.05

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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.