Home / 775,661.47-1,069,530.30-546,145.39

Finding the Fourth Proportional to 775,661.47, 1,069,530.30 and 546,145.39

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Solution

The fourth proportional to 775,661.47, 1,069,530.30 and 546,145.39 is: 753,059.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,661.47 : 1,069,530.30 = 546,145.39 : x
  2. Step 2: Convert to fraction form
    775,661.47/1,069,530.30 = 546,145.39/x
  3. Step 3: Cross multiply
    775,661.47x = 1,069,530.30 × 546,145.39
  4. Step 4: Simplify right side
    775,661.47x = 584,119,042,810.32
  5. Step 5: Solve for x
    x = 584,119,042,810.32/775,661.47
  6. Step 6: Final answer
    x = 753,059.25

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1.5x scale

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.