Home / 1,185,829.04-1,636,436.56-641,960.86

Finding the Fourth Proportional to 1,185,829.04, 1,636,436.56 and 641,960.86

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Solution

The fourth proportional to 1,185,829.04, 1,636,436.56 and 641,960.86 is: 885,901.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,829.04 : 1,636,436.56 = 641,960.86 : x
  2. Step 2: Convert to fraction form
    1,185,829.04/1,636,436.56 = 641,960.86/x
  3. Step 3: Cross multiply
    1,185,829.04x = 1,636,436.56 × 641,960.86
  4. Step 4: Simplify right side
    1,185,829.04x = 1,050,528,221,393.04
  5. Step 5: Solve for x
    x = 1,050,528,221,393.04/1,185,829.04
  6. Step 6: Final answer
    x = 885,901.92

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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.