Home / 1,719,534.60-2,575,368.90-821,607.12

Finding the Fourth Proportional to 1,719,534.60, 2,575,368.90 and 821,607.12

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Solution

The fourth proportional to 1,719,534.60, 2,575,368.90 and 821,607.12 is: 1,230,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,534.60 : 2,575,368.90 = 821,607.12 : x
  2. Step 2: Convert to fraction form
    1,719,534.60/2,575,368.90 = 821,607.12/x
  3. Step 3: Cross multiply
    1,719,534.60x = 2,575,368.90 × 821,607.12
  4. Step 4: Simplify right side
    1,719,534.60x = 2,115,941,424,866.57
  5. Step 5: Solve for x
    x = 2,115,941,424,866.57/1,719,534.60
  6. Step 6: Final answer
    x = 1,230,531.46

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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.