Home / 955,555.76-1,318,639.02-525,835.64

Finding the Fourth Proportional to 955,555.76, 1,318,639.02 and 525,835.64

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Solution

The fourth proportional to 955,555.76, 1,318,639.02 and 525,835.64 is: 725,637.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,555.76 : 1,318,639.02 = 525,835.64 : x
  2. Step 2: Convert to fraction form
    955,555.76/1,318,639.02 = 525,835.64/x
  3. Step 3: Cross multiply
    955,555.76x = 1,318,639.02 × 525,835.64
  4. Step 4: Simplify right side
    955,555.76x = 693,387,393,010.67
  5. Step 5: Solve for x
    x = 693,387,393,010.67/955,555.76
  6. Step 6: Final answer
    x = 725,637.81

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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.