Home / 927,117.67-1,279,361.47-519,125.98

Finding the Fourth Proportional to 927,117.67, 1,279,361.47 and 519,125.98

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Solution

The fourth proportional to 927,117.67, 1,279,361.47 and 519,125.98 is: 716,359.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,117.67 : 1,279,361.47 = 519,125.98 : x
  2. Step 2: Convert to fraction form
    927,117.67/1,279,361.47 = 519,125.98/x
  3. Step 3: Cross multiply
    927,117.67x = 1,279,361.47 × 519,125.98
  4. Step 4: Simplify right side
    927,117.67x = 664,149,776,887.99
  5. Step 5: Solve for x
    x = 664,149,776,887.99/927,117.67
  6. Step 6: Final answer
    x = 716,359.74

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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.