Home / 907,676.20-1,359,440.70-534,428.20

Finding the Fourth Proportional to 907,676.20, 1,359,440.70 and 534,428.20

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Solution

The fourth proportional to 907,676.20, 1,359,440.70 and 534,428.20 is: 800,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,676.20 : 1,359,440.70 = 534,428.20 : x
  2. Step 2: Convert to fraction form
    907,676.20/1,359,440.70 = 534,428.20/x
  3. Step 3: Cross multiply
    907,676.20x = 1,359,440.70 × 534,428.20
  4. Step 4: Simplify right side
    907,676.20x = 726,523,446,307.74
  5. Step 5: Solve for x
    x = 726,523,446,307.74/907,676.20
  6. Step 6: Final answer
    x = 800,421.39

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Double scale
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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.