Home / 742,642.22-1,113,907.98-237,256.59

Finding the Fourth Proportional to 742,642.22, 1,113,907.98 and 237,256.59

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Solution

The fourth proportional to 742,642.22, 1,113,907.98 and 237,256.59 is: 355,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,642.22 : 1,113,907.98 = 237,256.59 : x
  2. Step 2: Convert to fraction form
    742,642.22/1,113,907.98 = 237,256.59/x
  3. Step 3: Cross multiply
    742,642.22x = 1,113,907.98 × 237,256.59
  4. Step 4: Simplify right side
    742,642.22x = 264,282,011,973.60
  5. Step 5: Solve for x
    x = 264,282,011,973.60/742,642.22
  6. Step 6: Final answer
    x = 355,867.20

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Double scale
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Similar ratio
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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.