Home / 679,245.40-937,368.35-373,350.06

Finding the Fourth Proportional to 679,245.40, 937,368.35 and 373,350.06

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Solution

The fourth proportional to 679,245.40, 937,368.35 and 373,350.06 is: 515,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,245.40 : 937,368.35 = 373,350.06 : x
  2. Step 2: Convert to fraction form
    679,245.40/937,368.35 = 373,350.06/x
  3. Step 3: Cross multiply
    679,245.40x = 937,368.35 × 373,350.06
  4. Step 4: Simplify right side
    679,245.40x = 349,966,529,714.60
  5. Step 5: Solve for x
    x = 349,966,529,714.60/679,245.40
  6. Step 6: Final answer
    x = 515,228.41

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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.