Home / 760,545.52-1,140,847.44-339,825.04

Finding the Fourth Proportional to 760,545.52, 1,140,847.44 and 339,825.04

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Solution

The fourth proportional to 760,545.52, 1,140,847.44 and 339,825.04 is: 509,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,545.52 : 1,140,847.44 = 339,825.04 : x
  2. Step 2: Convert to fraction form
    760,545.52/1,140,847.44 = 339,825.04/x
  3. Step 3: Cross multiply
    760,545.52x = 1,140,847.44 × 339,825.04
  4. Step 4: Simplify right side
    760,545.52x = 387,688,526,931.90
  5. Step 5: Solve for x
    x = 387,688,526,931.90/760,545.52
  6. Step 6: Final answer
    x = 509,750.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.