Home / 648,700.06-895,142.64-444,925.12

Finding the Fourth Proportional to 648,700.06, 895,142.64 and 444,925.12

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Solution

The fourth proportional to 648,700.06, 895,142.64 and 444,925.12 is: 613,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,700.06 : 895,142.64 = 444,925.12 : x
  2. Step 2: Convert to fraction form
    648,700.06/895,142.64 = 444,925.12/x
  3. Step 3: Cross multiply
    648,700.06x = 895,142.64 × 444,925.12
  4. Step 4: Simplify right side
    648,700.06x = 398,271,446,519.12
  5. Step 5: Solve for x
    x = 398,271,446,519.12/648,700.06
  6. Step 6: Final answer
    x = 613,953.15

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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.