Home / 763,313.40-1,144,970.10-194,693.40

Finding the Fourth Proportional to 763,313.40, 1,144,970.10 and 194,693.40

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Solution

The fourth proportional to 763,313.40, 1,144,970.10 and 194,693.40 is: 292,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,313.40 : 1,144,970.10 = 194,693.40 : x
  2. Step 2: Convert to fraction form
    763,313.40/1,144,970.10 = 194,693.40/x
  3. Step 3: Cross multiply
    763,313.40x = 1,144,970.10 × 194,693.40
  4. Step 4: Simplify right side
    763,313.40x = 222,918,121,667.34
  5. Step 5: Solve for x
    x = 222,918,121,667.34/763,313.40
  6. Step 6: Final answer
    x = 292,040.10

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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.