Home / 1,496,966.85-2,065,812.57-808,638.54

Finding the Fourth Proportional to 1,496,966.85, 2,065,812.57 and 808,638.54

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Solution

The fourth proportional to 1,496,966.85, 2,065,812.57 and 808,638.54 is: 1,115,920.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496,966.85 : 2,065,812.57 = 808,638.54 : x
  2. Step 2: Convert to fraction form
    1,496,966.85/2,065,812.57 = 808,638.54/x
  3. Step 3: Cross multiply
    1,496,966.85x = 2,065,812.57 × 808,638.54
  4. Step 4: Simplify right side
    1,496,966.85x = 1,670,495,660,518.45
  5. Step 5: Solve for x
    x = 1,670,495,660,518.45/1,496,966.85
  6. Step 6: Final answer
    x = 1,115,920.28

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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.