Home / 623,466.32-860,377.40-347,826.56

Finding the Fourth Proportional to 623,466.32, 860,377.40 and 347,826.56

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Solution

The fourth proportional to 623,466.32, 860,377.40 and 347,826.56 is: 479,997.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,466.32 : 860,377.40 = 347,826.56 : x
  2. Step 2: Convert to fraction form
    623,466.32/860,377.40 = 347,826.56/x
  3. Step 3: Cross multiply
    623,466.32x = 860,377.40 × 347,826.56
  4. Step 4: Simplify right side
    623,466.32x = 299,262,111,343.74
  5. Step 5: Solve for x
    x = 299,262,111,343.74/623,466.32
  6. Step 6: Final answer
    x = 479,997.24

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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.