Home / 646,795.66-892,099.85-474,655.47

Finding the Fourth Proportional to 646,795.66, 892,099.85 and 474,655.47

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Solution

The fourth proportional to 646,795.66, 892,099.85 and 474,655.47 is: 654,673.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,795.66 : 892,099.85 = 474,655.47 : x
  2. Step 2: Convert to fraction form
    646,795.66/892,099.85 = 474,655.47/x
  3. Step 3: Cross multiply
    646,795.66x = 892,099.85 × 474,655.47
  4. Step 4: Simplify right side
    646,795.66x = 423,440,074,775.32
  5. Step 5: Solve for x
    x = 423,440,074,775.32/646,795.66
  6. Step 6: Final answer
    x = 654,673.65

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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.