Home / 659,984.24-910,646.51-401,688.18

Finding the Fourth Proportional to 659,984.24, 910,646.51 and 401,688.18

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Solution

The fourth proportional to 659,984.24, 910,646.51 and 401,688.18 is: 554,249.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,984.24 : 910,646.51 = 401,688.18 : x
  2. Step 2: Convert to fraction form
    659,984.24/910,646.51 = 401,688.18/x
  3. Step 3: Cross multiply
    659,984.24x = 910,646.51 × 401,688.18
  4. Step 4: Simplify right side
    659,984.24x = 365,795,939,225.25
  5. Step 5: Solve for x
    x = 365,795,939,225.25/659,984.24
  6. Step 6: Final answer
    x = 554,249.51

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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.