Home / 938,533.16-1,407,799.72-432,944.55

Finding the Fourth Proportional to 938,533.16, 1,407,799.72 and 432,944.55

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Solution

The fourth proportional to 938,533.16, 1,407,799.72 and 432,944.55 is: 649,416.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,533.16 : 1,407,799.72 = 432,944.55 : x
  2. Step 2: Convert to fraction form
    938,533.16/1,407,799.72 = 432,944.55/x
  3. Step 3: Cross multiply
    938,533.16x = 1,407,799.72 × 432,944.55
  4. Step 4: Simplify right side
    938,533.16x = 609,499,216,806.71
  5. Step 5: Solve for x
    x = 609,499,216,806.71/938,533.16
  6. Step 6: Final answer
    x = 649,416.81

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1.5x scale

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.