Home / 1,185,908.04-1,636,541.64-642,029.94

Finding the Fourth Proportional to 1,185,908.04, 1,636,541.64 and 642,029.94

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Solution

The fourth proportional to 1,185,908.04, 1,636,541.64 and 642,029.94 is: 885,995.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,908.04 : 1,636,541.64 = 642,029.94 : x
  2. Step 2: Convert to fraction form
    1,185,908.04/1,636,541.64 = 642,029.94/x
  3. Step 3: Cross multiply
    1,185,908.04x = 1,636,541.64 × 642,029.94
  4. Step 4: Simplify right side
    1,185,908.04x = 1,050,708,730,936.70
  5. Step 5: Solve for x
    x = 1,050,708,730,936.70/1,185,908.04
  6. Step 6: Final answer
    x = 885,995.12

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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.