Home / 771,110.52-1,064,744.46-513,235.32

Finding the Fourth Proportional to 771,110.52, 1,064,744.46 and 513,235.32

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Solution

The fourth proportional to 771,110.52, 1,064,744.46 and 513,235.32 is: 708,672.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,110.52 : 1,064,744.46 = 513,235.32 : x
  2. Step 2: Convert to fraction form
    771,110.52/1,064,744.46 = 513,235.32/x
  3. Step 3: Cross multiply
    771,110.52x = 1,064,744.46 × 513,235.32
  4. Step 4: Simplify right side
    771,110.52x = 546,464,463,646.33
  5. Step 5: Solve for x
    x = 546,464,463,646.33/771,110.52
  6. Step 6: Final answer
    x = 708,672.04

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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.