Home / 935,880.66-1,291,515.56-528,068.94

Finding the Fourth Proportional to 935,880.66, 1,291,515.56 and 528,068.94

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Solution

The fourth proportional to 935,880.66, 1,291,515.56 and 528,068.94 is: 728,735.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,880.66 : 1,291,515.56 = 528,068.94 : x
  2. Step 2: Convert to fraction form
    935,880.66/1,291,515.56 = 528,068.94/x
  3. Step 3: Cross multiply
    935,880.66x = 1,291,515.56 × 528,068.94
  4. Step 4: Simplify right side
    935,880.66x = 682,009,252,762.71
  5. Step 5: Solve for x
    x = 682,009,252,762.71/935,880.66
  6. Step 6: Final answer
    x = 728,735.28

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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.