Home / 1,276,530.77-1,915,080.03-556,989.08

Finding the Fourth Proportional to 1,276,530.77, 1,915,080.03 and 556,989.08

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Solution

The fourth proportional to 1,276,530.77, 1,915,080.03 and 556,989.08 is: 835,607.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,530.77 : 1,915,080.03 = 556,989.08 : x
  2. Step 2: Convert to fraction form
    1,276,530.77/1,915,080.03 = 556,989.08/x
  3. Step 3: Cross multiply
    1,276,530.77x = 1,915,080.03 × 556,989.08
  4. Step 4: Simplify right side
    1,276,530.77x = 1,066,678,654,460.67
  5. Step 5: Solve for x
    x = 1,066,678,654,460.67/1,276,530.77
  6. Step 6: Final answer
    x = 835,607.47

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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.