Home / 863,280.52-1,191,332.32-500,920.16

Finding the Fourth Proportional to 863,280.52, 1,191,332.32 and 500,920.16

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Solution

The fourth proportional to 863,280.52, 1,191,332.32 and 500,920.16 is: 691,272.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,280.52 : 1,191,332.32 = 500,920.16 : x
  2. Step 2: Convert to fraction form
    863,280.52/1,191,332.32 = 500,920.16/x
  3. Step 3: Cross multiply
    863,280.52x = 1,191,332.32 × 500,920.16
  4. Step 4: Simplify right side
    863,280.52x = 596,762,376,347.57
  5. Step 5: Solve for x
    x = 596,762,376,347.57/863,280.52
  6. Step 6: Final answer
    x = 691,272.84

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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.