Home / 1,133,115.78-1,563,643.53-623,807.22

Finding the Fourth Proportional to 1,133,115.78, 1,563,643.53 and 623,807.22

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Solution

The fourth proportional to 1,133,115.78, 1,563,643.53 and 623,807.22 is: 860,823.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,115.78 : 1,563,643.53 = 623,807.22 : x
  2. Step 2: Convert to fraction form
    1,133,115.78/1,563,643.53 = 623,807.22/x
  3. Step 3: Cross multiply
    1,133,115.78x = 1,563,643.53 × 623,807.22
  4. Step 4: Simplify right side
    1,133,115.78x = 975,412,123,520.29
  5. Step 5: Solve for x
    x = 975,412,123,520.29/1,133,115.78
  6. Step 6: Final answer
    x = 860,823.00

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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.