Home / 936,589.50-1,292,492.93-528,694.86

Finding the Fourth Proportional to 936,589.50, 1,292,492.93 and 528,694.86

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Solution

The fourth proportional to 936,589.50, 1,292,492.93 and 528,694.86 is: 729,598.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,589.50 : 1,292,492.93 = 528,694.86 : x
  2. Step 2: Convert to fraction form
    936,589.50/1,292,492.93 = 528,694.86/x
  3. Step 3: Cross multiply
    936,589.50x = 1,292,492.93 × 528,694.86
  4. Step 4: Simplify right side
    936,589.50x = 683,334,370,880.71
  5. Step 5: Solve for x
    x = 683,334,370,880.71/936,589.50
  6. Step 6: Final answer
    x = 729,598.58

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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.