Home / 605,621.77-835,776.98-347,545.93

Finding the Fourth Proportional to 605,621.77, 835,776.98 and 347,545.93

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Solution

The fourth proportional to 605,621.77, 835,776.98 and 347,545.93 is: 479,624.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,621.77 : 835,776.98 = 347,545.93 : x
  2. Step 2: Convert to fraction form
    605,621.77/835,776.98 = 347,545.93/x
  3. Step 3: Cross multiply
    605,621.77x = 835,776.98 × 347,545.93
  4. Step 4: Simplify right side
    605,621.77x = 290,470,883,959.52
  5. Step 5: Solve for x
    x = 290,470,883,959.52/605,621.77
  6. Step 6: Final answer
    x = 479,624.25

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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.