Home / 905,505.18-1,249,076.76-565,382.94

Finding the Fourth Proportional to 905,505.18, 1,249,076.76 and 565,382.94

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Solution

The fourth proportional to 905,505.18, 1,249,076.76 and 565,382.94 is: 779,903.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,505.18 : 1,249,076.76 = 565,382.94 : x
  2. Step 2: Convert to fraction form
    905,505.18/1,249,076.76 = 565,382.94/x
  3. Step 3: Cross multiply
    905,505.18x = 1,249,076.76 × 565,382.94
  4. Step 4: Simplify right side
    905,505.18x = 706,206,690,854.47
  5. Step 5: Solve for x
    x = 706,206,690,854.47/905,505.18
  6. Step 6: Final answer
    x = 779,903.54

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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.