Home / 934,866.80-1,290,380.44-553,026.32

Finding the Fourth Proportional to 934,866.80, 1,290,380.44 and 553,026.32

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Solution

The fourth proportional to 934,866.80, 1,290,380.44 and 553,026.32 is: 763,332.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,866.80 : 1,290,380.44 = 553,026.32 : x
  2. Step 2: Convert to fraction form
    934,866.80/1,290,380.44 = 553,026.32/x
  3. Step 3: Cross multiply
    934,866.80x = 1,290,380.44 × 553,026.32
  4. Step 4: Simplify right side
    934,866.80x = 713,614,346,133.18
  5. Step 5: Solve for x
    x = 713,614,346,133.18/934,866.80
  6. Step 6: Final answer
    x = 763,332.64

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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.