Home / 582,153.55-803,031.37-378,340.20

Finding the Fourth Proportional to 582,153.55, 803,031.37 and 378,340.20

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Solution

The fourth proportional to 582,153.55, 803,031.37 and 378,340.20 is: 521,888.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,153.55 : 803,031.37 = 378,340.20 : x
  2. Step 2: Convert to fraction form
    582,153.55/803,031.37 = 378,340.20/x
  3. Step 3: Cross multiply
    582,153.55x = 803,031.37 × 378,340.20
  4. Step 4: Simplify right side
    582,153.55x = 303,819,048,186.22
  5. Step 5: Solve for x
    x = 303,819,048,186.22/582,153.55
  6. Step 6: Final answer
    x = 521,888.17

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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.