Home / 857,953.34-1,183,975.15-470,771.30

Finding the Fourth Proportional to 857,953.34, 1,183,975.15 and 470,771.30

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Solution

The fourth proportional to 857,953.34, 1,183,975.15 and 470,771.30 is: 649,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,953.34 : 1,183,975.15 = 470,771.30 : x
  2. Step 2: Convert to fraction form
    857,953.34/1,183,975.15 = 470,771.30/x
  3. Step 3: Cross multiply
    857,953.34x = 1,183,975.15 × 470,771.30
  4. Step 4: Simplify right side
    857,953.34x = 557,381,520,533.20
  5. Step 5: Solve for x
    x = 557,381,520,533.20/857,953.34
  6. Step 6: Final answer
    x = 649,664.15

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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.