Home / 1,333,454.40-1,840,167-721,607.18

Finding the Fourth Proportional to 1,333,454.40, 1,840,167 and 721,607.18

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Solution

The fourth proportional to 1,333,454.40, 1,840,167 and 721,607.18 is: 995,817.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,454.40 : 1,840,167 = 721,607.18 : x
  2. Step 2: Convert to fraction form
    1,333,454.40/1,840,167 = 721,607.18/x
  3. Step 3: Cross multiply
    1,333,454.40x = 1,840,167 × 721,607.18
  4. Step 4: Simplify right side
    1,333,454.40x = 1,327,877,710,398.23
  5. Step 5: Solve for x
    x = 1,327,877,710,398.23/1,333,454.40
  6. Step 6: Final answer
    x = 995,817.86

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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.