Home / 738,653.34-1,019,167.98-448,258.32

Finding the Fourth Proportional to 738,653.34, 1,019,167.98 and 448,258.32

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Solution

The fourth proportional to 738,653.34, 1,019,167.98 and 448,258.32 is: 618,491.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,653.34 : 1,019,167.98 = 448,258.32 : x
  2. Step 2: Convert to fraction form
    738,653.34/1,019,167.98 = 448,258.32/x
  3. Step 3: Cross multiply
    738,653.34x = 1,019,167.98 × 448,258.32
  4. Step 4: Simplify right side
    738,653.34x = 456,850,526,512.59
  5. Step 5: Solve for x
    x = 456,850,526,512.59/738,653.34
  6. Step 6: Final answer
    x = 618,491.11

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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.