Home / 971,588.32-1,340,728.08-535,979.68

Finding the Fourth Proportional to 971,588.32, 1,340,728.08 and 535,979.68

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Solution

The fourth proportional to 971,588.32, 1,340,728.08 and 535,979.68 is: 739,616.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,588.32 : 1,340,728.08 = 535,979.68 : x
  2. Step 2: Convert to fraction form
    971,588.32/1,340,728.08 = 535,979.68/x
  3. Step 3: Cross multiply
    971,588.32x = 1,340,728.08 × 535,979.68
  4. Step 4: Simplify right side
    971,588.32x = 718,603,007,285.42
  5. Step 5: Solve for x
    x = 718,603,007,285.42/971,588.32
  6. Step 6: Final answer
    x = 739,616.76

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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.