Home / 1,137,156.75-1,567,407.51-806,125.50

Finding the Fourth Proportional to 1,137,156.75, 1,567,407.51 and 806,125.50

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Solution

The fourth proportional to 1,137,156.75, 1,567,407.51 and 806,125.50 is: 1,111,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,156.75 : 1,567,407.51 = 806,125.50 : x
  2. Step 2: Convert to fraction form
    1,137,156.75/1,567,407.51 = 806,125.50/x
  3. Step 3: Cross multiply
    1,137,156.75x = 1,567,407.51 × 806,125.50
  4. Step 4: Simplify right side
    1,137,156.75x = 1,263,527,162,702.51
  5. Step 5: Solve for x
    x = 1,263,527,162,702.51/1,137,156.75
  6. Step 6: Final answer
    x = 1,111,128.40

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Double scale
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1.5x scale

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.