Home / 993,064.32-1,489,404.24-385,851.60

Finding the Fourth Proportional to 993,064.32, 1,489,404.24 and 385,851.60

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Solution

The fourth proportional to 993,064.32, 1,489,404.24 and 385,851.60 is: 578,702.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,064.32 : 1,489,404.24 = 385,851.60 : x
  2. Step 2: Convert to fraction form
    993,064.32/1,489,404.24 = 385,851.60/x
  3. Step 3: Cross multiply
    993,064.32x = 1,489,404.24 × 385,851.60
  4. Step 4: Simplify right side
    993,064.32x = 574,689,009,050.78
  5. Step 5: Solve for x
    x = 574,689,009,050.78/993,064.32
  6. Step 6: Final answer
    x = 578,702.71

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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.