Home / 759,756.71-1,048,420.16-415,528.38

Finding the Fourth Proportional to 759,756.71, 1,048,420.16 and 415,528.38

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Solution

The fourth proportional to 759,756.71, 1,048,420.16 and 415,528.38 is: 573,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,756.71 : 1,048,420.16 = 415,528.38 : x
  2. Step 2: Convert to fraction form
    759,756.71/1,048,420.16 = 415,528.38/x
  3. Step 3: Cross multiply
    759,756.71x = 1,048,420.16 × 415,528.38
  4. Step 4: Simplify right side
    759,756.71x = 435,648,330,124.73
  5. Step 5: Solve for x
    x = 435,648,330,124.73/759,756.71
  6. Step 6: Final answer
    x = 573,405.04

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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.