Home / 807,000.37-1,113,617.87-462,818.51

Finding the Fourth Proportional to 807,000.37, 1,113,617.87 and 462,818.51

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Solution

The fourth proportional to 807,000.37, 1,113,617.87 and 462,818.51 is: 638,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,000.37 : 1,113,617.87 = 462,818.51 : x
  2. Step 2: Convert to fraction form
    807,000.37/1,113,617.87 = 462,818.51/x
  3. Step 3: Cross multiply
    807,000.37x = 1,113,617.87 × 462,818.51
  4. Step 4: Simplify right side
    807,000.37x = 515,402,960,988.68
  5. Step 5: Solve for x
    x = 515,402,960,988.68/807,000.37
  6. Step 6: Final answer
    x = 638,665.09

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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.