Home / 679,211.54-937,334.40-373,298.76

Finding the Fourth Proportional to 679,211.54, 937,334.40 and 373,298.76

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Solution

The fourth proportional to 679,211.54, 937,334.40 and 373,298.76 is: 515,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,211.54 : 937,334.40 = 373,298.76 : x
  2. Step 2: Convert to fraction form
    679,211.54/937,334.40 = 373,298.76/x
  3. Step 3: Cross multiply
    679,211.54x = 937,334.40 × 373,298.76
  4. Step 4: Simplify right side
    679,211.54x = 349,905,769,225.34
  5. Step 5: Solve for x
    x = 349,905,769,225.34/679,211.54
  6. Step 6: Final answer
    x = 515,164.64

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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.