Home / 1,185,799.64-1,636,403.16-641,935.04

Finding the Fourth Proportional to 1,185,799.64, 1,636,403.16 and 641,935.04

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Solution

The fourth proportional to 1,185,799.64, 1,636,403.16 and 641,935.04 is: 885,870.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,799.64 : 1,636,403.16 = 641,935.04 : x
  2. Step 2: Convert to fraction form
    1,185,799.64/1,636,403.16 = 641,935.04/x
  3. Step 3: Cross multiply
    1,185,799.64x = 1,636,403.16 × 641,935.04
  4. Step 4: Simplify right side
    1,185,799.64x = 1,050,464,527,970.73
  5. Step 5: Solve for x
    x = 1,050,464,527,970.73/1,185,799.64
  6. Step 6: Final answer
    x = 885,870.17

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1.5x scale

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.