Home / 916,310.72-1,264,020.56-534,198.08

Finding the Fourth Proportional to 916,310.72, 1,264,020.56 and 534,198.08

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Solution

The fourth proportional to 916,310.72, 1,264,020.56 and 534,198.08 is: 736,908.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,310.72 : 1,264,020.56 = 534,198.08 : x
  2. Step 2: Convert to fraction form
    916,310.72/1,264,020.56 = 534,198.08/x
  3. Step 3: Cross multiply
    916,310.72x = 1,264,020.56 × 534,198.08
  4. Step 4: Simplify right side
    916,310.72x = 675,237,356,232.53
  5. Step 5: Solve for x
    x = 675,237,356,232.53/916,310.72
  6. Step 6: Final answer
    x = 736,908.72

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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.