Home / 1,144,613.64-1,579,640.76-661,199.16

Finding the Fourth Proportional to 1,144,613.64, 1,579,640.76 and 661,199.16

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Solution

The fourth proportional to 1,144,613.64, 1,579,640.76 and 661,199.16 is: 912,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,613.64 : 1,579,640.76 = 661,199.16 : x
  2. Step 2: Convert to fraction form
    1,144,613.64/1,579,640.76 = 661,199.16/x
  3. Step 3: Cross multiply
    1,144,613.64x = 1,579,640.76 × 661,199.16
  4. Step 4: Simplify right side
    1,144,613.64x = 1,044,457,143,613.76
  5. Step 5: Solve for x
    x = 1,044,457,143,613.76/1,144,613.64
  6. Step 6: Final answer
    x = 912,497.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.