Home / 877,892.90-1,211,590.67-495,944.28

Finding the Fourth Proportional to 877,892.90, 1,211,590.67 and 495,944.28

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Solution

The fourth proportional to 877,892.90, 1,211,590.67 and 495,944.28 is: 684,458.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,892.90 : 1,211,590.67 = 495,944.28 : x
  2. Step 2: Convert to fraction form
    877,892.90/1,211,590.67 = 495,944.28/x
  3. Step 3: Cross multiply
    877,892.90x = 1,211,590.67 × 495,944.28
  4. Step 4: Simplify right side
    877,892.90x = 600,881,460,008.15
  5. Step 5: Solve for x
    x = 600,881,460,008.15/877,892.90
  6. Step 6: Final answer
    x = 684,458.73

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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.