Home / 1,888,018.40-2,830,977.72-625,157.12

Finding the Fourth Proportional to 1,888,018.40, 2,830,977.72 and 625,157.12

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Solution

The fourth proportional to 1,888,018.40, 2,830,977.72 and 625,157.12 is: 937,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,018.40 : 2,830,977.72 = 625,157.12 : x
  2. Step 2: Convert to fraction form
    1,888,018.40/2,830,977.72 = 625,157.12/x
  3. Step 3: Cross multiply
    1,888,018.40x = 2,830,977.72 × 625,157.12
  4. Step 4: Simplify right side
    1,888,018.40x = 1,769,805,878,219.37
  5. Step 5: Solve for x
    x = 1,769,805,878,219.37/1,888,018.40
  6. Step 6: Final answer
    x = 937,388.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.