Home / 898,370.51-1,238,273.92-636,813.41

Finding the Fourth Proportional to 898,370.51, 1,238,273.92 and 636,813.41

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Solution

The fourth proportional to 898,370.51, 1,238,273.92 and 636,813.41 is: 877,755.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,370.51 : 1,238,273.92 = 636,813.41 : x
  2. Step 2: Convert to fraction form
    898,370.51/1,238,273.92 = 636,813.41/x
  3. Step 3: Cross multiply
    898,370.51x = 1,238,273.92 × 636,813.41
  4. Step 4: Simplify right side
    898,370.51x = 788,549,437,509.27
  5. Step 5: Solve for x
    x = 788,549,437,509.27/898,370.51
  6. Step 6: Final answer
    x = 877,755.26

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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.