Home / 1,223,162.74-1,688,003.19-732,970.69

Finding the Fourth Proportional to 1,223,162.74, 1,688,003.19 and 732,970.69

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Solution

The fourth proportional to 1,223,162.74, 1,688,003.19 and 732,970.69 is: 1,011,522.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,162.74 : 1,688,003.19 = 732,970.69 : x
  2. Step 2: Convert to fraction form
    1,223,162.74/1,688,003.19 = 732,970.69/x
  3. Step 3: Cross multiply
    1,223,162.74x = 1,688,003.19 × 732,970.69
  4. Step 4: Simplify right side
    1,223,162.74x = 1,237,256,858,676.49
  5. Step 5: Solve for x
    x = 1,237,256,858,676.49/1,223,162.74
  6. Step 6: Final answer
    x = 1,011,522.69

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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.