Home / 1,165,018.17-1,606,896.90-777,638.28

Finding the Fourth Proportional to 1,165,018.17, 1,606,896.90 and 777,638.28

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Solution

The fourth proportional to 1,165,018.17, 1,606,896.90 and 777,638.28 is: 1,072,588.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,018.17 : 1,606,896.90 = 777,638.28 : x
  2. Step 2: Convert to fraction form
    1,165,018.17/1,606,896.90 = 777,638.28/x
  3. Step 3: Cross multiply
    1,165,018.17x = 1,606,896.90 × 777,638.28
  4. Step 4: Simplify right side
    1,165,018.17x = 1,249,584,547,479.20
  5. Step 5: Solve for x
    x = 1,249,584,547,479.20/1,165,018.17
  6. Step 6: Final answer
    x = 1,072,588.03

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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.