Home / 679,212.40-1,018,853.46-173,777.72

Finding the Fourth Proportional to 679,212.40, 1,018,853.46 and 173,777.72

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Solution

The fourth proportional to 679,212.40, 1,018,853.46 and 173,777.72 is: 260,675.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,212.40 : 1,018,853.46 = 173,777.72 : x
  2. Step 2: Convert to fraction form
    679,212.40/1,018,853.46 = 173,777.72/x
  3. Step 3: Cross multiply
    679,212.40x = 1,018,853.46 × 173,777.72
  4. Step 4: Simplify right side
    679,212.40x = 177,054,031,292.91
  5. Step 5: Solve for x
    x = 177,054,031,292.91/679,212.40
  6. Step 6: Final answer
    x = 260,675.50

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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.