Home / 898,976.03-1,348,454.80-519,655.40

Finding the Fourth Proportional to 898,976.03, 1,348,454.80 and 519,655.40

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Solution

The fourth proportional to 898,976.03, 1,348,454.80 and 519,655.40 is: 779,477.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,976.03 : 1,348,454.80 = 519,655.40 : x
  2. Step 2: Convert to fraction form
    898,976.03/1,348,454.80 = 519,655.40/x
  3. Step 3: Cross multiply
    898,976.03x = 1,348,454.80 × 519,655.40
  4. Step 4: Simplify right side
    898,976.03x = 700,731,810,434.51
  5. Step 5: Solve for x
    x = 700,731,810,434.51/898,976.03
  6. Step 6: Final answer
    x = 779,477.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.