Home / 847,030.78-1,168,904.48-465,082.16

Finding the Fourth Proportional to 847,030.78, 1,168,904.48 and 465,082.16

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Solution

The fourth proportional to 847,030.78, 1,168,904.48 and 465,082.16 is: 641,814.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,030.78 : 1,168,904.48 = 465,082.16 : x
  2. Step 2: Convert to fraction form
    847,030.78/1,168,904.48 = 465,082.16/x
  3. Step 3: Cross multiply
    847,030.78x = 1,168,904.48 × 465,082.16
  4. Step 4: Simplify right side
    847,030.78x = 543,636,620,988.93
  5. Step 5: Solve for x
    x = 543,636,620,988.93/847,030.78
  6. Step 6: Final answer
    x = 641,814.48

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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.