Home / 350,077.40-525,749.70-306,531.80

Finding the Fourth Proportional to 350,077.40, 525,749.70 and 306,531.80

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Solution

The fourth proportional to 350,077.40, 525,749.70 and 306,531.80 is: 460,352.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,077.40 : 525,749.70 = 306,531.80 : x
  2. Step 2: Convert to fraction form
    350,077.40/525,749.70 = 306,531.80/x
  3. Step 3: Cross multiply
    350,077.40x = 525,749.70 × 306,531.80
  4. Step 4: Simplify right side
    350,077.40x = 161,159,001,890.46
  5. Step 5: Solve for x
    x = 161,159,001,890.46/350,077.40
  6. Step 6: Final answer
    x = 460,352.49

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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.