Home / 654,856.02-903,691.89-364,465.62

Finding the Fourth Proportional to 654,856.02, 903,691.89 and 364,465.62

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Solution

The fourth proportional to 654,856.02, 903,691.89 and 364,465.62 is: 502,957.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,856.02 : 903,691.89 = 364,465.62 : x
  2. Step 2: Convert to fraction form
    654,856.02/903,691.89 = 364,465.62/x
  3. Step 3: Cross multiply
    654,856.02x = 903,691.89 × 364,465.62
  4. Step 4: Simplify right side
    654,856.02x = 329,364,624,977.82
  5. Step 5: Solve for x
    x = 329,364,624,977.82/654,856.02
  6. Step 6: Final answer
    x = 502,957.31

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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.