Home / 638,676.02-956,929.56-385,424.34

Finding the Fourth Proportional to 638,676.02, 956,929.56 and 385,424.34

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Solution

The fourth proportional to 638,676.02, 956,929.56 and 385,424.34 is: 577,482.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,676.02 : 956,929.56 = 385,424.34 : x
  2. Step 2: Convert to fraction form
    638,676.02/956,929.56 = 385,424.34/x
  3. Step 3: Cross multiply
    638,676.02x = 956,929.56 × 385,424.34
  4. Step 4: Simplify right side
    638,676.02x = 368,823,944,089.49
  5. Step 5: Solve for x
    x = 368,823,944,089.49/638,676.02
  6. Step 6: Final answer
    x = 577,482.07

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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.