Home / 1,252,416-1,728,334.08-715,883.52

Finding the Fourth Proportional to 1,252,416, 1,728,334.08 and 715,883.52

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Solution

The fourth proportional to 1,252,416, 1,728,334.08 and 715,883.52 is: 987,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,416 : 1,728,334.08 = 715,883.52 : x
  2. Step 2: Convert to fraction form
    1,252,416/1,728,334.08 = 715,883.52/x
  3. Step 3: Cross multiply
    1,252,416x = 1,728,334.08 × 715,883.52
  4. Step 4: Simplify right side
    1,252,416x = 1,237,285,884,926.36
  5. Step 5: Solve for x
    x = 1,237,285,884,926.36/1,252,416
  6. Step 6: Final answer
    x = 987,919.26

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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.