Home / 1,223,161.56-1,688,004.90-679,305.96

Finding the Fourth Proportional to 1,223,161.56, 1,688,004.90 and 679,305.96

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Solution

The fourth proportional to 1,223,161.56, 1,688,004.90 and 679,305.96 is: 937,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,161.56 : 1,688,004.90 = 679,305.96 : x
  2. Step 2: Convert to fraction form
    1,223,161.56/1,688,004.90 = 679,305.96/x
  3. Step 3: Cross multiply
    1,223,161.56x = 1,688,004.90 × 679,305.96
  4. Step 4: Simplify right side
    1,223,161.56x = 1,146,671,789,079.20
  5. Step 5: Solve for x
    x = 1,146,671,789,079.20/1,223,161.56
  6. Step 6: Final answer
    x = 937,465.52

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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.