Home / 1,152,435.64-1,590,386.66-636,188.34

Finding the Fourth Proportional to 1,152,435.64, 1,590,386.66 and 636,188.34

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Solution

The fourth proportional to 1,152,435.64, 1,590,386.66 and 636,188.34 is: 877,953.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,435.64 : 1,590,386.66 = 636,188.34 : x
  2. Step 2: Convert to fraction form
    1,152,435.64/1,590,386.66 = 636,188.34/x
  3. Step 3: Cross multiply
    1,152,435.64x = 1,590,386.66 × 636,188.34
  4. Step 4: Simplify right side
    1,152,435.64x = 1,011,785,449,183.54
  5. Step 5: Solve for x
    x = 1,011,785,449,183.54/1,152,435.64
  6. Step 6: Final answer
    x = 877,953.97

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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.