Home / 1,162,988.42-1,604,688.76-679,460.16

Finding the Fourth Proportional to 1,162,988.42, 1,604,688.76 and 679,460.16

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Solution

The fourth proportional to 1,162,988.42, 1,604,688.76 and 679,460.16 is: 937,517.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,988.42 : 1,604,688.76 = 679,460.16 : x
  2. Step 2: Convert to fraction form
    1,162,988.42/1,604,688.76 = 679,460.16/x
  3. Step 3: Cross multiply
    1,162,988.42x = 1,604,688.76 × 679,460.16
  4. Step 4: Simplify right side
    1,162,988.42x = 1,090,322,081,619.80
  5. Step 5: Solve for x
    x = 1,090,322,081,619.80/1,162,988.42
  6. Step 6: Final answer
    x = 937,517.57

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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.