Home / 407,846.32-562,389.10-254,828.62

Finding the Fourth Proportional to 407,846.32, 562,389.10 and 254,828.62

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Solution

The fourth proportional to 407,846.32, 562,389.10 and 254,828.62 is: 351,389.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,846.32 : 562,389.10 = 254,828.62 : x
  2. Step 2: Convert to fraction form
    407,846.32/562,389.10 = 254,828.62/x
  3. Step 3: Cross multiply
    407,846.32x = 562,389.10 × 254,828.62
  4. Step 4: Simplify right side
    407,846.32x = 143,312,838,256.04
  5. Step 5: Solve for x
    x = 143,312,838,256.04/407,846.32
  6. Step 6: Final answer
    x = 351,389.31

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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.