Home / 771,932.15-1,064,637.19-543,247.13

Finding the Fourth Proportional to 771,932.15, 1,064,637.19 and 543,247.13

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Solution

The fourth proportional to 771,932.15, 1,064,637.19 and 543,247.13 is: 749,238.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,932.15 : 1,064,637.19 = 543,247.13 : x
  2. Step 2: Convert to fraction form
    771,932.15/1,064,637.19 = 543,247.13/x
  3. Step 3: Cross multiply
    771,932.15x = 1,064,637.19 × 543,247.13
  4. Step 4: Simplify right side
    771,932.15x = 578,361,097,958.77
  5. Step 5: Solve for x
    x = 578,361,097,958.77/771,932.15
  6. Step 6: Final answer
    x = 749,238.26

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Double scale
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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.