Home / 877,322.39-1,210,705.11-474,914.39

Finding the Fourth Proportional to 877,322.39, 1,210,705.11 and 474,914.39

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Solution

The fourth proportional to 877,322.39, 1,210,705.11 and 474,914.39 is: 655,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,322.39 : 1,210,705.11 = 474,914.39 : x
  2. Step 2: Convert to fraction form
    877,322.39/1,210,705.11 = 474,914.39/x
  3. Step 3: Cross multiply
    877,322.39x = 1,210,705.11 × 474,914.39
  4. Step 4: Simplify right side
    877,322.39x = 574,981,272,732.01
  5. Step 5: Solve for x
    x = 574,981,272,732.01/877,322.39
  6. Step 6: Final answer
    x = 655,381.97

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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.