Home / 856,384.08-1,181,810.14-474,435.48

Finding the Fourth Proportional to 856,384.08, 1,181,810.14 and 474,435.48

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Solution

The fourth proportional to 856,384.08, 1,181,810.14 and 474,435.48 is: 654,721.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,384.08 : 1,181,810.14 = 474,435.48 : x
  2. Step 2: Convert to fraction form
    856,384.08/1,181,810.14 = 474,435.48/x
  3. Step 3: Cross multiply
    856,384.08x = 1,181,810.14 × 474,435.48
  4. Step 4: Simplify right side
    856,384.08x = 560,692,661,039.77
  5. Step 5: Solve for x
    x = 560,692,661,039.77/856,384.08
  6. Step 6: Final answer
    x = 654,721.02

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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.