Home / 440,889.47-657,674.14-426,130.36

Finding the Fourth Proportional to 440,889.47, 657,674.14 and 426,130.36

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Solution

The fourth proportional to 440,889.47, 657,674.14 and 426,130.36 is: 635,658.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,889.47 : 657,674.14 = 426,130.36 : x
  2. Step 2: Convert to fraction form
    440,889.47/657,674.14 = 426,130.36/x
  3. Step 3: Cross multiply
    440,889.47x = 657,674.14 × 426,130.36
  4. Step 4: Simplify right side
    440,889.47x = 280,254,918,040.89
  5. Step 5: Solve for x
    x = 280,254,918,040.89/440,889.47
  6. Step 6: Final answer
    x = 635,658.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.