Home / 1,742,566.40-2,613,979.20-620,489.60

Finding the Fourth Proportional to 1,742,566.40, 2,613,979.20 and 620,489.60

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Solution

The fourth proportional to 1,742,566.40, 2,613,979.20 and 620,489.60 is: 930,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,566.40 : 2,613,979.20 = 620,489.60 : x
  2. Step 2: Convert to fraction form
    1,742,566.40/2,613,979.20 = 620,489.60/x
  3. Step 3: Cross multiply
    1,742,566.40x = 2,613,979.20 × 620,489.60
  4. Step 4: Simplify right side
    1,742,566.40x = 1,621,946,908,216.32
  5. Step 5: Solve for x
    x = 1,621,946,908,216.32/1,742,566.40
  6. Step 6: Final answer
    x = 930,780.55

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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.