Home / 1,191,490.53-1,644,259.01-647,624.83

Finding the Fourth Proportional to 1,191,490.53, 1,644,259.01 and 647,624.83

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Solution

The fourth proportional to 1,191,490.53, 1,644,259.01 and 647,624.83 is: 893,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,490.53 : 1,644,259.01 = 647,624.83 : x
  2. Step 2: Convert to fraction form
    1,191,490.53/1,644,259.01 = 647,624.83/x
  3. Step 3: Cross multiply
    1,191,490.53x = 1,644,259.01 × 647,624.83
  4. Step 4: Simplify right side
    1,191,490.53x = 1,064,862,961,827.22
  5. Step 5: Solve for x
    x = 1,064,862,961,827.22/1,191,490.53
  6. Step 6: Final answer
    x = 893,723.40

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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.