Home / 896,157.15-1,236,685.50-488,275.98

Finding the Fourth Proportional to 896,157.15, 1,236,685.50 and 488,275.98

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Solution

The fourth proportional to 896,157.15, 1,236,685.50 and 488,275.98 is: 673,814.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,157.15 : 1,236,685.50 = 488,275.98 : x
  2. Step 2: Convert to fraction form
    896,157.15/1,236,685.50 = 488,275.98/x
  3. Step 3: Cross multiply
    896,157.15x = 1,236,685.50 × 488,275.98
  4. Step 4: Simplify right side
    896,157.15x = 603,843,824,464.29
  5. Step 5: Solve for x
    x = 603,843,824,464.29/896,157.15
  6. Step 6: Final answer
    x = 673,814.66

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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.