Home / 621,740.19-858,032.96-367,085.91

Finding the Fourth Proportional to 621,740.19, 858,032.96 and 367,085.91

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Solution

The fourth proportional to 621,740.19, 858,032.96 and 367,085.91 is: 506,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,740.19 : 858,032.96 = 367,085.91 : x
  2. Step 2: Convert to fraction form
    621,740.19/858,032.96 = 367,085.91/x
  3. Step 3: Cross multiply
    621,740.19x = 858,032.96 × 367,085.91
  4. Step 4: Simplify right side
    621,740.19x = 314,971,808,096.16
  5. Step 5: Solve for x
    x = 314,971,808,096.16/621,740.19
  6. Step 6: Final answer
    x = 506,597.15

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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.