Home / 551,200.16-760,739.40-336,465.20

Finding the Fourth Proportional to 551,200.16, 760,739.40 and 336,465.20

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Solution

The fourth proportional to 551,200.16, 760,739.40 and 336,465.20 is: 464,372.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,200.16 : 760,739.40 = 336,465.20 : x
  2. Step 2: Convert to fraction form
    551,200.16/760,739.40 = 336,465.20/x
  3. Step 3: Cross multiply
    551,200.16x = 760,739.40 × 336,465.20
  4. Step 4: Simplify right side
    551,200.16x = 255,962,334,368.88
  5. Step 5: Solve for x
    x = 255,962,334,368.88/551,200.16
  6. Step 6: Final answer
    x = 464,372.75

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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.