Home / 937,999.70-1,406,999.55-440,335.70

Finding the Fourth Proportional to 937,999.70, 1,406,999.55 and 440,335.70

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Solution

The fourth proportional to 937,999.70, 1,406,999.55 and 440,335.70 is: 660,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,999.70 : 1,406,999.55 = 440,335.70 : x
  2. Step 2: Convert to fraction form
    937,999.70/1,406,999.55 = 440,335.70/x
  3. Step 3: Cross multiply
    937,999.70x = 1,406,999.55 × 440,335.70
  4. Step 4: Simplify right side
    937,999.70x = 619,552,131,748.94
  5. Step 5: Solve for x
    x = 619,552,131,748.94/937,999.70
  6. Step 6: Final answer
    x = 660,503.55

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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.