Home / 1,333,729.09-1,840,546-721,881.74

Finding the Fourth Proportional to 1,333,729.09, 1,840,546 and 721,881.74

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Solution

The fourth proportional to 1,333,729.09, 1,840,546 and 721,881.74 is: 996,196.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,729.09 : 1,840,546 = 721,881.74 : x
  2. Step 2: Convert to fraction form
    1,333,729.09/1,840,546 = 721,881.74/x
  3. Step 3: Cross multiply
    1,333,729.09x = 1,840,546 × 721,881.74
  4. Step 4: Simplify right side
    1,333,729.09x = 1,328,656,549,030.04
  5. Step 5: Solve for x
    x = 1,328,656,549,030.04/1,333,729.09
  6. Step 6: Final answer
    x = 996,196.72

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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.