Home / 1,108,911.06-1,663,549.10-340,389.48

Finding the Fourth Proportional to 1,108,911.06, 1,663,549.10 and 340,389.48

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Solution

The fourth proportional to 1,108,911.06, 1,663,549.10 and 340,389.48 is: 510,640.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,911.06 : 1,663,549.10 = 340,389.48 : x
  2. Step 2: Convert to fraction form
    1,108,911.06/1,663,549.10 = 340,389.48/x
  3. Step 3: Cross multiply
    1,108,911.06x = 1,663,549.10 × 340,389.48
  4. Step 4: Simplify right side
    1,108,911.06x = 566,254,605,163.21
  5. Step 5: Solve for x
    x = 566,254,605,163.21/1,108,911.06
  6. Step 6: Final answer
    x = 510,640.24

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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.