Home / 742,514.96-1,114,303.48-316,349.44

Finding the Fourth Proportional to 742,514.96, 1,114,303.48 and 316,349.44

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Solution

The fourth proportional to 742,514.96, 1,114,303.48 and 316,349.44 is: 474,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,514.96 : 1,114,303.48 = 316,349.44 : x
  2. Step 2: Convert to fraction form
    742,514.96/1,114,303.48 = 316,349.44/x
  3. Step 3: Cross multiply
    742,514.96x = 1,114,303.48 × 316,349.44
  4. Step 4: Simplify right side
    742,514.96x = 352,509,281,888.05
  5. Step 5: Solve for x
    x = 352,509,281,888.05/742,514.96
  6. Step 6: Final answer
    x = 474,750.41

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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.