Home / 708,156.73-977,256.39-385,866.91

Finding the Fourth Proportional to 708,156.73, 977,256.39 and 385,866.91

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Solution

The fourth proportional to 708,156.73, 977,256.39 and 385,866.91 is: 532,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,156.73 : 977,256.39 = 385,866.91 : x
  2. Step 2: Convert to fraction form
    708,156.73/977,256.39 = 385,866.91/x
  3. Step 3: Cross multiply
    708,156.73x = 977,256.39 × 385,866.91
  4. Step 4: Simplify right side
    708,156.73x = 377,090,903,487.06
  5. Step 5: Solve for x
    x = 377,090,903,487.06/708,156.73
  6. Step 6: Final answer
    x = 532,496.39

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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.