Home / 622,095.13-858,285.96-507,176.20

Finding the Fourth Proportional to 622,095.13, 858,285.96 and 507,176.20

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Solution

The fourth proportional to 622,095.13, 858,285.96 and 507,176.20 is: 699,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,095.13 : 858,285.96 = 507,176.20 : x
  2. Step 2: Convert to fraction form
    622,095.13/858,285.96 = 507,176.20/x
  3. Step 3: Cross multiply
    622,095.13x = 858,285.96 × 507,176.20
  4. Step 4: Simplify right side
    622,095.13x = 435,302,211,706.15
  5. Step 5: Solve for x
    x = 435,302,211,706.15/622,095.13
  6. Step 6: Final answer
    x = 699,735.77

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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.