Home / 639,109.85-882,627.94-530,607.31

Finding the Fourth Proportional to 639,109.85, 882,627.94 and 530,607.31

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Solution

The fourth proportional to 639,109.85, 882,627.94 and 530,607.31 is: 732,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,109.85 : 882,627.94 = 530,607.31 : x
  2. Step 2: Convert to fraction form
    639,109.85/882,627.94 = 530,607.31/x
  3. Step 3: Cross multiply
    639,109.85x = 882,627.94 × 530,607.31
  4. Step 4: Simplify right side
    639,109.85x = 468,328,835,430.93
  5. Step 5: Solve for x
    x = 468,328,835,430.93/639,109.85
  6. Step 6: Final answer
    x = 732,783.01

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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.