Home / 679,581.60-937,740.96-373,607.52

Finding the Fourth Proportional to 679,581.60, 937,740.96 and 373,607.52

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Solution

The fourth proportional to 679,581.60, 937,740.96 and 373,607.52 is: 515,533.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,581.60 : 937,740.96 = 373,607.52 : x
  2. Step 2: Convert to fraction form
    679,581.60/937,740.96 = 373,607.52/x
  3. Step 3: Cross multiply
    679,581.60x = 937,740.96 × 373,607.52
  4. Step 4: Simplify right side
    679,581.60x = 350,347,074,468.02
  5. Step 5: Solve for x
    x = 350,347,074,468.02/679,581.60
  6. Step 6: Final answer
    x = 515,533.49

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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.