Home / 988,054.32-1,363,515.32-535,345.32

Finding the Fourth Proportional to 988,054.32, 1,363,515.32 and 535,345.32

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Solution

The fourth proportional to 988,054.32, 1,363,515.32 and 535,345.32 is: 738,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,054.32 : 1,363,515.32 = 535,345.32 : x
  2. Step 2: Convert to fraction form
    988,054.32/1,363,515.32 = 535,345.32/x
  3. Step 3: Cross multiply
    988,054.32x = 1,363,515.32 × 535,345.32
  4. Step 4: Simplify right side
    988,054.32x = 729,951,545,310.30
  5. Step 5: Solve for x
    x = 729,951,545,310.30/988,054.32
  6. Step 6: Final answer
    x = 738,776.74

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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.