Home / 857,409.16-1,183,219.86-475,492.36

Finding the Fourth Proportional to 857,409.16, 1,183,219.86 and 475,492.36

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Solution

The fourth proportional to 857,409.16, 1,183,219.86 and 475,492.36 is: 656,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,409.16 : 1,183,219.86 = 475,492.36 : x
  2. Step 2: Convert to fraction form
    857,409.16/1,183,219.86 = 475,492.36/x
  3. Step 3: Cross multiply
    857,409.16x = 1,183,219.86 × 475,492.36
  4. Step 4: Simplify right side
    857,409.16x = 562,612,003,630.27
  5. Step 5: Solve for x
    x = 562,612,003,630.27/857,409.16
  6. Step 6: Final answer
    x = 656,176.81

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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.