Home / 407,360.16-562,140.36-226,079.64

Finding the Fourth Proportional to 407,360.16, 562,140.36 and 226,079.64

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Solution

The fourth proportional to 407,360.16, 562,140.36 and 226,079.64 is: 311,980.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,360.16 : 562,140.36 = 226,079.64 : x
  2. Step 2: Convert to fraction form
    407,360.16/562,140.36 = 226,079.64/x
  3. Step 3: Cross multiply
    407,360.16x = 562,140.36 × 226,079.64
  4. Step 4: Simplify right side
    407,360.16x = 127,088,490,218.27
  5. Step 5: Solve for x
    x = 127,088,490,218.27/407,360.16
  6. Step 6: Final answer
    x = 311,980.66

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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.