Home / 1,112,115.87-1,534,678.77-602,807.31

Finding the Fourth Proportional to 1,112,115.87, 1,534,678.77 and 602,807.31

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Solution

The fourth proportional to 1,112,115.87, 1,534,678.77 and 602,807.31 is: 831,851.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,115.87 : 1,534,678.77 = 602,807.31 : x
  2. Step 2: Convert to fraction form
    1,112,115.87/1,534,678.77 = 602,807.31/x
  3. Step 3: Cross multiply
    1,112,115.87x = 1,534,678.77 × 602,807.31
  4. Step 4: Simplify right side
    1,112,115.87x = 925,115,581,057.81
  5. Step 5: Solve for x
    x = 925,115,581,057.81/1,112,115.87
  6. Step 6: Final answer
    x = 831,851.79

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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.