Home / 1,406,223.36-1,940,572.80-761,627.52

Finding the Fourth Proportional to 1,406,223.36, 1,940,572.80 and 761,627.52

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Solution

The fourth proportional to 1,406,223.36, 1,940,572.80 and 761,627.52 is: 1,051,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,223.36 : 1,940,572.80 = 761,627.52 : x
  2. Step 2: Convert to fraction form
    1,406,223.36/1,940,572.80 = 761,627.52/x
  3. Step 3: Cross multiply
    1,406,223.36x = 1,940,572.80 × 761,627.52
  4. Step 4: Simplify right side
    1,406,223.36x = 1,477,993,649,043.46
  5. Step 5: Solve for x
    x = 1,477,993,649,043.46/1,406,223.36
  6. Step 6: Final answer
    x = 1,051,037.62

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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.