Home / 651,705.40-899,389.38-365,317.48

Finding the Fourth Proportional to 651,705.40, 899,389.38 and 365,317.48

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Solution

The fourth proportional to 651,705.40, 899,389.38 and 365,317.48 is: 504,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,705.40 : 899,389.38 = 365,317.48 : x
  2. Step 2: Convert to fraction form
    651,705.40/899,389.38 = 365,317.48/x
  3. Step 3: Cross multiply
    651,705.40x = 899,389.38 × 365,317.48
  4. Step 4: Simplify right side
    651,705.40x = 328,562,661,840.36
  5. Step 5: Solve for x
    x = 328,562,661,840.36/651,705.40
  6. Step 6: Final answer
    x = 504,158.26

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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.