Home / 672,031.60-1,008,133.80-335,244.40

Finding the Fourth Proportional to 672,031.60, 1,008,133.80 and 335,244.40

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Solution

The fourth proportional to 672,031.60, 1,008,133.80 and 335,244.40 is: 502,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,031.60 : 1,008,133.80 = 335,244.40 : x
  2. Step 2: Convert to fraction form
    672,031.60/1,008,133.80 = 335,244.40/x
  3. Step 3: Cross multiply
    672,031.60x = 1,008,133.80 × 335,244.40
  4. Step 4: Simplify right side
    672,031.60x = 337,971,210,900.72
  5. Step 5: Solve for x
    x = 337,971,210,900.72/672,031.60
  6. Step 6: Final answer
    x = 502,909.70

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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.