Home / 1,287,624.04-1,776,777.06-714,688.36

Finding the Fourth Proportional to 1,287,624.04, 1,776,777.06 and 714,688.36

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Solution

The fourth proportional to 1,287,624.04, 1,776,777.06 and 714,688.36 is: 986,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,624.04 : 1,776,777.06 = 714,688.36 : x
  2. Step 2: Convert to fraction form
    1,287,624.04/1,776,777.06 = 714,688.36/x
  3. Step 3: Cross multiply
    1,287,624.04x = 1,776,777.06 × 714,688.36
  4. Step 4: Simplify right side
    1,287,624.04x = 1,269,841,883,097.02
  5. Step 5: Solve for x
    x = 1,269,841,883,097.02/1,287,624.04
  6. Step 6: Final answer
    x = 986,189.95

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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.