Home / 708,127.84-977,216.56-385,837.93

Finding the Fourth Proportional to 708,127.84, 977,216.56 and 385,837.93

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Solution

The fourth proportional to 708,127.84, 977,216.56 and 385,837.93 is: 532,456.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,127.84 : 977,216.56 = 385,837.93 : x
  2. Step 2: Convert to fraction form
    708,127.84/977,216.56 = 385,837.93/x
  3. Step 3: Cross multiply
    708,127.84x = 977,216.56 × 385,837.93
  4. Step 4: Simplify right side
    708,127.84x = 377,047,214,672.12
  5. Step 5: Solve for x
    x = 377,047,214,672.12/708,127.84
  6. Step 6: Final answer
    x = 532,456.42

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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.