Home / 453,445.37-625,688.57-272,118.77

Finding the Fourth Proportional to 453,445.37, 625,688.57 and 272,118.77

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Solution

The fourth proportional to 453,445.37, 625,688.57 and 272,118.77 is: 375,484.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,445.37 : 625,688.57 = 272,118.77 : x
  2. Step 2: Convert to fraction form
    453,445.37/625,688.57 = 272,118.77/x
  3. Step 3: Cross multiply
    453,445.37x = 625,688.57 × 272,118.77
  4. Step 4: Simplify right side
    453,445.37x = 170,261,601,623.31
  5. Step 5: Solve for x
    x = 170,261,601,623.31/453,445.37
  6. Step 6: Final answer
    x = 375,484.27

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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.