Home / 1,185,949.29-1,636,607.67-642,084.93

Finding the Fourth Proportional to 1,185,949.29, 1,636,607.67 and 642,084.93

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Solution

The fourth proportional to 1,185,949.29, 1,636,607.67 and 642,084.93 is: 886,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,949.29 : 1,636,607.67 = 642,084.93 : x
  2. Step 2: Convert to fraction form
    1,185,949.29/1,636,607.67 = 642,084.93/x
  3. Step 3: Cross multiply
    1,185,949.29x = 1,636,607.67 × 642,084.93
  4. Step 4: Simplify right side
    1,185,949.29x = 1,050,841,121,229.41
  5. Step 5: Solve for x
    x = 1,050,841,121,229.41/1,185,949.29
  6. Step 6: Final answer
    x = 886,075.93

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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.