Home / 790,539.35-1,090,827-480,280.59

Finding the Fourth Proportional to 790,539.35, 1,090,827 and 480,280.59

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Solution

The fourth proportional to 790,539.35, 1,090,827 and 480,280.59 is: 662,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,539.35 : 1,090,827 = 480,280.59 : x
  2. Step 2: Convert to fraction form
    790,539.35/1,090,827 = 480,280.59/x
  3. Step 3: Cross multiply
    790,539.35x = 1,090,827 × 480,280.59
  4. Step 4: Simplify right side
    790,539.35x = 523,903,035,147.93
  5. Step 5: Solve for x
    x = 523,903,035,147.93/790,539.35
  6. Step 6: Final answer
    x = 662,715.95

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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.