Home / 791,029.98-1,185,558.12-385,888.32

Finding the Fourth Proportional to 791,029.98, 1,185,558.12 and 385,888.32

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Solution

The fourth proportional to 791,029.98, 1,185,558.12 and 385,888.32 is: 578,351.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,029.98 : 1,185,558.12 = 385,888.32 : x
  2. Step 2: Convert to fraction form
    791,029.98/1,185,558.12 = 385,888.32/x
  3. Step 3: Cross multiply
    791,029.98x = 1,185,558.12 × 385,888.32
  4. Step 4: Simplify right side
    791,029.98x = 457,493,031,189.16
  5. Step 5: Solve for x
    x = 457,493,031,189.16/791,029.98
  6. Step 6: Final answer
    x = 578,351.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.