Home / 1,223,537.01-1,688,434.11-679,707.03

Finding the Fourth Proportional to 1,223,537.01, 1,688,434.11 and 679,707.03

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Solution

The fourth proportional to 1,223,537.01, 1,688,434.11 and 679,707.03 is: 937,969.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,537.01 : 1,688,434.11 = 679,707.03 : x
  2. Step 2: Convert to fraction form
    1,223,537.01/1,688,434.11 = 679,707.03/x
  3. Step 3: Cross multiply
    1,223,537.01x = 1,688,434.11 × 679,707.03
  4. Step 4: Simplify right side
    1,223,537.01x = 1,147,640,540,590.42
  5. Step 5: Solve for x
    x = 1,147,640,540,590.42/1,223,537.01
  6. Step 6: Final answer
    x = 937,969.62

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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.