Home / 1,010,272.10-1,394,356.12-602,400.20

Finding the Fourth Proportional to 1,010,272.10, 1,394,356.12 and 602,400.20

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Solution

The fourth proportional to 1,010,272.10, 1,394,356.12 and 602,400.20 is: 831,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,272.10 : 1,394,356.12 = 602,400.20 : x
  2. Step 2: Convert to fraction form
    1,010,272.10/1,394,356.12 = 602,400.20/x
  3. Step 3: Cross multiply
    1,010,272.10x = 1,394,356.12 × 602,400.20
  4. Step 4: Simplify right side
    1,010,272.10x = 839,960,405,559.22
  5. Step 5: Solve for x
    x = 839,960,405,559.22/1,010,272.10
  6. Step 6: Final answer
    x = 831,419.98

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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.