Home / 857,577.92-1,183,449.33-470,385.36

Finding the Fourth Proportional to 857,577.92, 1,183,449.33 and 470,385.36

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Solution

The fourth proportional to 857,577.92, 1,183,449.33 and 470,385.36 is: 649,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,577.92 : 1,183,449.33 = 470,385.36 : x
  2. Step 2: Convert to fraction form
    857,577.92/1,183,449.33 = 470,385.36/x
  3. Step 3: Cross multiply
    857,577.92x = 1,183,449.33 × 470,385.36
  4. Step 4: Simplify right side
    857,577.92x = 556,677,239,133.81
  5. Step 5: Solve for x
    x = 556,677,239,133.81/857,577.92
  6. Step 6: Final answer
    x = 649,127.30

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Double scale
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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.