Home / 1,326,640.32-1,830,534.12-782,735.04

Finding the Fourth Proportional to 1,326,640.32, 1,830,534.12 and 782,735.04

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Solution

The fourth proportional to 1,326,640.32, 1,830,534.12 and 782,735.04 is: 1,080,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,640.32 : 1,830,534.12 = 782,735.04 : x
  2. Step 2: Convert to fraction form
    1,326,640.32/1,830,534.12 = 782,735.04/x
  3. Step 3: Cross multiply
    1,326,640.32x = 1,830,534.12 × 782,735.04
  4. Step 4: Simplify right side
    1,326,640.32x = 1,432,823,197,639.57
  5. Step 5: Solve for x
    x = 1,432,823,197,639.57/1,326,640.32
  6. Step 6: Final answer
    x = 1,080,038.93

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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.