Home / 1,191,344.84-1,644,066.80-647,482.08

Finding the Fourth Proportional to 1,191,344.84, 1,644,066.80 and 647,482.08

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Solution

The fourth proportional to 1,191,344.84, 1,644,066.80 and 647,482.08 is: 893,531.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,344.84 : 1,644,066.80 = 647,482.08 : x
  2. Step 2: Convert to fraction form
    1,191,344.84/1,644,066.80 = 647,482.08/x
  3. Step 3: Cross multiply
    1,191,344.84x = 1,644,066.80 × 647,482.08
  4. Step 4: Simplify right side
    1,191,344.84x = 1,064,503,788,085.53
  5. Step 5: Solve for x
    x = 1,064,503,788,085.53/1,191,344.84
  6. Step 6: Final answer
    x = 893,531.21

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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.