Home / 889,788.24-1,227,927.60-507,807.36

Finding the Fourth Proportional to 889,788.24, 1,227,927.60 and 507,807.36

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Solution

The fourth proportional to 889,788.24, 1,227,927.60 and 507,807.36 is: 700,785.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,788.24 : 1,227,927.60 = 507,807.36 : x
  2. Step 2: Convert to fraction form
    889,788.24/1,227,927.60 = 507,807.36/x
  3. Step 3: Cross multiply
    889,788.24x = 1,227,927.60 × 507,807.36
  4. Step 4: Simplify right side
    889,788.24x = 623,550,672,827.14
  5. Step 5: Solve for x
    x = 623,550,672,827.14/889,788.24
  6. Step 6: Final answer
    x = 700,785.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.