Home / 1,461,535.79-2,016,921.74-816,955.34

Finding the Fourth Proportional to 1,461,535.79, 2,016,921.74 and 816,955.34

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Solution

The fourth proportional to 1,461,535.79, 2,016,921.74 and 816,955.34 is: 1,127,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,535.79 : 2,016,921.74 = 816,955.34 : x
  2. Step 2: Convert to fraction form
    1,461,535.79/2,016,921.74 = 816,955.34/x
  3. Step 3: Cross multiply
    1,461,535.79x = 2,016,921.74 × 816,955.34
  4. Step 4: Simplify right side
    1,461,535.79x = 1,647,734,971,685.71
  5. Step 5: Solve for x
    x = 1,647,734,971,685.71/1,461,535.79
  6. Step 6: Final answer
    x = 1,127,399.68

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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.