Home / 1,191,328.28-1,644,045.72-647,464.10

Finding the Fourth Proportional to 1,191,328.28, 1,644,045.72 and 647,464.10

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Solution

The fourth proportional to 1,191,328.28, 1,644,045.72 and 647,464.10 is: 893,507.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,328.28 : 1,644,045.72 = 647,464.10 : x
  2. Step 2: Convert to fraction form
    1,191,328.28/1,644,045.72 = 647,464.10/x
  3. Step 3: Cross multiply
    1,191,328.28x = 1,644,045.72 × 647,464.10
  4. Step 4: Simplify right side
    1,191,328.28x = 1,064,460,582,458.65
  5. Step 5: Solve for x
    x = 1,064,460,582,458.65/1,191,328.28
  6. Step 6: Final answer
    x = 893,507.36

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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.