Home / 885,977.36-1,327,828.80-771,657.20

Finding the Fourth Proportional to 885,977.36, 1,327,828.80 and 771,657.20

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Solution

The fourth proportional to 885,977.36, 1,327,828.80 and 771,657.20 is: 1,156,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,977.36 : 1,327,828.80 = 771,657.20 : x
  2. Step 2: Convert to fraction form
    885,977.36/1,327,828.80 = 771,657.20/x
  3. Step 3: Cross multiply
    885,977.36x = 1,327,828.80 × 771,657.20
  4. Step 4: Simplify right side
    885,977.36x = 1,024,628,653,887.36
  5. Step 5: Solve for x
    x = 1,024,628,653,887.36/885,977.36
  6. Step 6: Final answer
    x = 1,156,495.30

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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.