Home / 579,913.64-869,851.32-238,345.26

Finding the Fourth Proportional to 579,913.64, 869,851.32 and 238,345.26

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Solution

The fourth proportional to 579,913.64, 869,851.32 and 238,345.26 is: 357,510.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,913.64 : 869,851.32 = 238,345.26 : x
  2. Step 2: Convert to fraction form
    579,913.64/869,851.32 = 238,345.26/x
  3. Step 3: Cross multiply
    579,913.64x = 869,851.32 × 238,345.26
  4. Step 4: Simplify right side
    579,913.64x = 207,324,939,026.74
  5. Step 5: Solve for x
    x = 207,324,939,026.74/579,913.64
  6. Step 6: Final answer
    x = 357,510.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.