Home / 735,125.10-1,102,104.45-402,701.10

Finding the Fourth Proportional to 735,125.10, 1,102,104.45 and 402,701.10

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Solution

The fourth proportional to 735,125.10, 1,102,104.45 and 402,701.10 is: 603,732.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,125.10 : 1,102,104.45 = 402,701.10 : x
  2. Step 2: Convert to fraction form
    735,125.10/1,102,104.45 = 402,701.10/x
  3. Step 3: Cross multiply
    735,125.10x = 1,102,104.45 × 402,701.10
  4. Step 4: Simplify right side
    735,125.10x = 443,818,674,329.90
  5. Step 5: Solve for x
    x = 443,818,674,329.90/735,125.10
  6. Step 6: Final answer
    x = 603,732.17

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Double scale
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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.