Home / 771,085.80-1,064,098.26-431,554.05

Finding the Fourth Proportional to 771,085.80, 1,064,098.26 and 431,554.05

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Solution

The fourth proportional to 771,085.80, 1,064,098.26 and 431,554.05 is: 595,544.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,085.80 : 1,064,098.26 = 431,554.05 : x
  2. Step 2: Convert to fraction form
    771,085.80/1,064,098.26 = 431,554.05/x
  3. Step 3: Cross multiply
    771,085.80x = 1,064,098.26 × 431,554.05
  4. Step 4: Simplify right side
    771,085.80x = 459,215,913,700.95
  5. Step 5: Solve for x
    x = 459,215,913,700.95/771,085.80
  6. Step 6: Final answer
    x = 595,544.51

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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.