Home / 589,939.01-813,653.33-403,780.81

Finding the Fourth Proportional to 589,939.01, 813,653.33 and 403,780.81

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Solution

The fourth proportional to 589,939.01, 813,653.33 and 403,780.81 is: 556,900.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,939.01 : 813,653.33 = 403,780.81 : x
  2. Step 2: Convert to fraction form
    589,939.01/813,653.33 = 403,780.81/x
  3. Step 3: Cross multiply
    589,939.01x = 813,653.33 × 403,780.81
  4. Step 4: Simplify right side
    589,939.01x = 328,537,598,119.16
  5. Step 5: Solve for x
    x = 328,537,598,119.16/589,939.01
  6. Step 6: Final answer
    x = 556,900.96

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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.