Home / 1,030,458.16-1,545,691.19-430,998.80

Finding the Fourth Proportional to 1,030,458.16, 1,545,691.19 and 430,998.80

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Solution

The fourth proportional to 1,030,458.16, 1,545,691.19 and 430,998.80 is: 646,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,458.16 : 1,545,691.19 = 430,998.80 : x
  2. Step 2: Convert to fraction form
    1,030,458.16/1,545,691.19 = 430,998.80/x
  3. Step 3: Cross multiply
    1,030,458.16x = 1,545,691.19 × 430,998.80
  4. Step 4: Simplify right side
    1,030,458.16x = 666,191,045,905.58
  5. Step 5: Solve for x
    x = 666,191,045,905.58/1,030,458.16
  6. Step 6: Final answer
    x = 646,499.85

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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.