Home / 588,887.37-812,457.61-385,057.60

Finding the Fourth Proportional to 588,887.37, 812,457.61 and 385,057.60

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Solution

The fourth proportional to 588,887.37, 812,457.61 and 385,057.60 is: 531,244.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,887.37 : 812,457.61 = 385,057.60 : x
  2. Step 2: Convert to fraction form
    588,887.37/812,457.61 = 385,057.60/x
  3. Step 3: Cross multiply
    588,887.37x = 812,457.61 × 385,057.60
  4. Step 4: Simplify right side
    588,887.37x = 312,842,974,948.80
  5. Step 5: Solve for x
    x = 312,842,974,948.80/588,887.37
  6. Step 6: Final answer
    x = 531,244.16

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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.