Home / 1,123,577.10-1,685,365.65-413,458.20

Finding the Fourth Proportional to 1,123,577.10, 1,685,365.65 and 413,458.20

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Solution

The fourth proportional to 1,123,577.10, 1,685,365.65 and 413,458.20 is: 620,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,577.10 : 1,685,365.65 = 413,458.20 : x
  2. Step 2: Convert to fraction form
    1,123,577.10/1,685,365.65 = 413,458.20/x
  3. Step 3: Cross multiply
    1,123,577.10x = 1,685,365.65 × 413,458.20
  4. Step 4: Simplify right side
    1,123,577.10x = 696,828,247,990.83
  5. Step 5: Solve for x
    x = 696,828,247,990.83/1,123,577.10
  6. Step 6: Final answer
    x = 620,187.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.