Home / 759,503.52-1,048,080.60-415,330.20

Finding the Fourth Proportional to 759,503.52, 1,048,080.60 and 415,330.20

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Solution

The fourth proportional to 759,503.52, 1,048,080.60 and 415,330.20 is: 573,136.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,503.52 : 1,048,080.60 = 415,330.20 : x
  2. Step 2: Convert to fraction form
    759,503.52/1,048,080.60 = 415,330.20/x
  3. Step 3: Cross multiply
    759,503.52x = 1,048,080.60 × 415,330.20
  4. Step 4: Simplify right side
    759,503.52x = 435,299,525,214.12
  5. Step 5: Solve for x
    x = 435,299,525,214.12/759,503.52
  6. Step 6: Final answer
    x = 573,136.94

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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.