Home / 778,589.77-1,074,529.02-472,595.62

Finding the Fourth Proportional to 778,589.77, 1,074,529.02 and 472,595.62

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Solution

The fourth proportional to 778,589.77, 1,074,529.02 and 472,595.62 is: 652,227.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,589.77 : 1,074,529.02 = 472,595.62 : x
  2. Step 2: Convert to fraction form
    778,589.77/1,074,529.02 = 472,595.62/x
  3. Step 3: Cross multiply
    778,589.77x = 1,074,529.02 × 472,595.62
  4. Step 4: Simplify right side
    778,589.77x = 507,817,708,414.89
  5. Step 5: Solve for x
    x = 507,817,708,414.89/778,589.77
  6. Step 6: Final answer
    x = 652,227.56

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Double scale
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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.