Home / 1,036,116.47-1,555,060.40-405,473.15

Finding the Fourth Proportional to 1,036,116.47, 1,555,060.40 and 405,473.15

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Solution

The fourth proportional to 1,036,116.47, 1,555,060.40 and 405,473.15 is: 608,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,116.47 : 1,555,060.40 = 405,473.15 : x
  2. Step 2: Convert to fraction form
    1,036,116.47/1,555,060.40 = 405,473.15/x
  3. Step 3: Cross multiply
    1,036,116.47x = 1,555,060.40 × 405,473.15
  4. Step 4: Simplify right side
    1,036,116.47x = 630,535,238,828.26
  5. Step 5: Solve for x
    x = 630,535,238,828.26/1,036,116.47
  6. Step 6: Final answer
    x = 608,556.33

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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.