Home / 1,146,167.42-1,581,720.55-716,696.51

Finding the Fourth Proportional to 1,146,167.42, 1,581,720.55 and 716,696.51

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Solution

The fourth proportional to 1,146,167.42, 1,581,720.55 and 716,696.51 is: 989,047.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,167.42 : 1,581,720.55 = 716,696.51 : x
  2. Step 2: Convert to fraction form
    1,146,167.42/1,581,720.55 = 716,696.51/x
  3. Step 3: Cross multiply
    1,146,167.42x = 1,581,720.55 × 716,696.51
  4. Step 4: Simplify right side
    1,146,167.42x = 1,133,613,588,279.94
  5. Step 5: Solve for x
    x = 1,133,613,588,279.94/1,146,167.42
  6. Step 6: Final answer
    x = 989,047.13

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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.