Home / 1,140,208.50-1,573,237.87-681,254.13

Finding the Fourth Proportional to 1,140,208.50, 1,573,237.87 and 681,254.13

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Solution

The fourth proportional to 1,140,208.50, 1,573,237.87 and 681,254.13 is: 939,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,208.50 : 1,573,237.87 = 681,254.13 : x
  2. Step 2: Convert to fraction form
    1,140,208.50/1,573,237.87 = 681,254.13/x
  3. Step 3: Cross multiply
    1,140,208.50x = 1,573,237.87 × 681,254.13
  4. Step 4: Simplify right side
    1,140,208.50x = 1,071,774,796,409.90
  5. Step 5: Solve for x
    x = 1,071,774,796,409.90/1,140,208.50
  6. Step 6: Final answer
    x = 939,981.41

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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.