Home / 735,916.89-1,015,531.93-430,021.20

Finding the Fourth Proportional to 735,916.89, 1,015,531.93 and 430,021.20

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Solution

The fourth proportional to 735,916.89, 1,015,531.93 and 430,021.20 is: 593,409.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,916.89 : 1,015,531.93 = 430,021.20 : x
  2. Step 2: Convert to fraction form
    735,916.89/1,015,531.93 = 430,021.20/x
  3. Step 3: Cross multiply
    735,916.89x = 1,015,531.93 × 430,021.20
  4. Step 4: Simplify right side
    735,916.89x = 436,700,259,176.92
  5. Step 5: Solve for x
    x = 436,700,259,176.92/735,916.89
  6. Step 6: Final answer
    x = 593,409.75

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Double scale
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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.