Home / 735,811.16-1,015,422.96-429,905

Finding the Fourth Proportional to 735,811.16, 1,015,422.96 and 429,905

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Solution

The fourth proportional to 735,811.16, 1,015,422.96 and 429,905 is: 593,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,811.16 : 1,015,422.96 = 429,905 : x
  2. Step 2: Convert to fraction form
    735,811.16/1,015,422.96 = 429,905/x
  3. Step 3: Cross multiply
    735,811.16x = 1,015,422.96 × 429,905
  4. Step 4: Simplify right side
    735,811.16x = 436,535,407,618.80
  5. Step 5: Solve for x
    x = 436,535,407,618.80/735,811.16
  6. Step 6: Final answer
    x = 593,270.98

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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.