Home / 708,664.03-977,955.49-386,374.04

Finding the Fourth Proportional to 708,664.03, 977,955.49 and 386,374.04

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Solution

The fourth proportional to 708,664.03, 977,955.49 and 386,374.04 is: 533,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,664.03 : 977,955.49 = 386,374.04 : x
  2. Step 2: Convert to fraction form
    708,664.03/977,955.49 = 386,374.04/x
  3. Step 3: Cross multiply
    708,664.03x = 977,955.49 × 386,374.04
  4. Step 4: Simplify right side
    708,664.03x = 377,856,613,611.48
  5. Step 5: Solve for x
    x = 377,856,613,611.48/708,664.03
  6. Step 6: Final answer
    x = 533,195.70

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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.