Home / 696,715.68-1,044,678.24-637,274.64

Finding the Fourth Proportional to 696,715.68, 1,044,678.24 and 637,274.64

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Solution

The fourth proportional to 696,715.68, 1,044,678.24 and 637,274.64 is: 955,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,715.68 : 1,044,678.24 = 637,274.64 : x
  2. Step 2: Convert to fraction form
    696,715.68/1,044,678.24 = 637,274.64/x
  3. Step 3: Cross multiply
    696,715.68x = 1,044,678.24 × 637,274.64
  4. Step 4: Simplify right side
    696,715.68x = 665,746,949,311.83
  5. Step 5: Solve for x
    x = 665,746,949,311.83/696,715.68
  6. Step 6: Final answer
    x = 955,550.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.