Home / 928,933.48-1,281,938.70-515,477.44

Finding the Fourth Proportional to 928,933.48, 1,281,938.70 and 515,477.44

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Solution

The fourth proportional to 928,933.48, 1,281,938.70 and 515,477.44 is: 711,364.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,933.48 : 1,281,938.70 = 515,477.44 : x
  2. Step 2: Convert to fraction form
    928,933.48/1,281,938.70 = 515,477.44/x
  3. Step 3: Cross multiply
    928,933.48x = 1,281,938.70 × 515,477.44
  4. Step 4: Simplify right side
    928,933.48x = 660,810,479,312.93
  5. Step 5: Solve for x
    x = 660,810,479,312.93/928,933.48
  6. Step 6: Final answer
    x = 711,364.69

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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.