Home / 742,742.22-1,024,984.22-403,210.48

Finding the Fourth Proportional to 742,742.22, 1,024,984.22 and 403,210.48

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Solution

The fourth proportional to 742,742.22, 1,024,984.22 and 403,210.48 is: 556,430.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,742.22 : 1,024,984.22 = 403,210.48 : x
  2. Step 2: Convert to fraction form
    742,742.22/1,024,984.22 = 403,210.48/x
  3. Step 3: Cross multiply
    742,742.22x = 1,024,984.22 × 403,210.48
  4. Step 4: Simplify right side
    742,742.22x = 413,284,379,338.63
  5. Step 5: Solve for x
    x = 413,284,379,338.63/742,742.22
  6. Step 6: Final answer
    x = 556,430.44

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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.