Home / 1,185,673.83-1,636,230.85-641,807.93

Finding the Fourth Proportional to 1,185,673.83, 1,636,230.85 and 641,807.93

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Solution

The fourth proportional to 1,185,673.83, 1,636,230.85 and 641,807.93 is: 885,695.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,673.83 : 1,636,230.85 = 641,807.93 : x
  2. Step 2: Convert to fraction form
    1,185,673.83/1,636,230.85 = 641,807.93/x
  3. Step 3: Cross multiply
    1,185,673.83x = 1,636,230.85 × 641,807.93
  4. Step 4: Simplify right side
    1,185,673.83x = 1,050,145,937,326.70
  5. Step 5: Solve for x
    x = 1,050,145,937,326.70/1,185,673.83
  6. Step 6: Final answer
    x = 885,695.47

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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.