Home / 1,105,018.20-1,657,363.26-306,216.45

Finding the Fourth Proportional to 1,105,018.20, 1,657,363.26 and 306,216.45

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Solution

The fourth proportional to 1,105,018.20, 1,657,363.26 and 306,216.45 is: 459,279.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,018.20 : 1,657,363.26 = 306,216.45 : x
  2. Step 2: Convert to fraction form
    1,105,018.20/1,657,363.26 = 306,216.45/x
  3. Step 3: Cross multiply
    1,105,018.20x = 1,657,363.26 × 306,216.45
  4. Step 4: Simplify right side
    1,105,018.20x = 507,511,893,837.63
  5. Step 5: Solve for x
    x = 507,511,893,837.63/1,105,018.20
  6. Step 6: Final answer
    x = 459,279.22

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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.