Home / 813,772.72-1,122,973.50-446,242.24

Finding the Fourth Proportional to 813,772.72, 1,122,973.50 and 446,242.24

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Solution

The fourth proportional to 813,772.72, 1,122,973.50 and 446,242.24 is: 615,796.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,772.72 : 1,122,973.50 = 446,242.24 : x
  2. Step 2: Convert to fraction form
    813,772.72/1,122,973.50 = 446,242.24/x
  3. Step 3: Cross multiply
    813,772.72x = 1,122,973.50 × 446,242.24
  4. Step 4: Simplify right side
    813,772.72x = 501,118,210,100.64
  5. Step 5: Solve for x
    x = 501,118,210,100.64/813,772.72
  6. Step 6: Final answer
    x = 615,796.28

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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.