Home / 1,958,713.60-2,937,897.60-538,643.20

Finding the Fourth Proportional to 1,958,713.60, 2,937,897.60 and 538,643.20

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Solution

The fourth proportional to 1,958,713.60, 2,937,897.60 and 538,643.20 is: 807,917.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958,713.60 : 2,937,897.60 = 538,643.20 : x
  2. Step 2: Convert to fraction form
    1,958,713.60/2,937,897.60 = 538,643.20/x
  3. Step 3: Cross multiply
    1,958,713.60x = 2,937,897.60 × 538,643.20
  4. Step 4: Simplify right side
    1,958,713.60x = 1,582,478,564,536.32
  5. Step 5: Solve for x
    x = 1,582,478,564,536.32/1,958,713.60
  6. Step 6: Final answer
    x = 807,917.28

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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.