Home / 1,272,808-1,756,430.08-699,844.16

Finding the Fourth Proportional to 1,272,808, 1,756,430.08 and 699,844.16

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Solution

The fourth proportional to 1,272,808, 1,756,430.08 and 699,844.16 is: 965,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,808 : 1,756,430.08 = 699,844.16 : x
  2. Step 2: Convert to fraction form
    1,272,808/1,756,430.08 = 699,844.16/x
  3. Step 3: Cross multiply
    1,272,808x = 1,756,430.08 × 699,844.16
  4. Step 4: Simplify right side
    1,272,808x = 1,229,227,333,936.33
  5. Step 5: Solve for x
    x = 1,229,227,333,936.33/1,272,808
  6. Step 6: Final answer
    x = 965,760.22

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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.