Home / 993,085.74-1,490,541.90-769,880.52

Finding the Fourth Proportional to 993,085.74, 1,490,541.90 and 769,880.52

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Solution

The fourth proportional to 993,085.74, 1,490,541.90 and 769,880.52 is: 1,155,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,085.74 : 1,490,541.90 = 769,880.52 : x
  2. Step 2: Convert to fraction form
    993,085.74/1,490,541.90 = 769,880.52/x
  3. Step 3: Cross multiply
    993,085.74x = 1,490,541.90 × 769,880.52
  4. Step 4: Simplify right side
    993,085.74x = 1,147,539,173,053.79
  5. Step 5: Solve for x
    x = 1,147,539,173,053.79/993,085.74
  6. Step 6: Final answer
    x = 1,155,528.80

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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.