Home / 877,637.85-1,211,164.20-495,664.63

Finding the Fourth Proportional to 877,637.85, 1,211,164.20 and 495,664.63

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Solution

The fourth proportional to 877,637.85, 1,211,164.20 and 495,664.63 is: 684,030.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,637.85 : 1,211,164.20 = 495,664.63 : x
  2. Step 2: Convert to fraction form
    877,637.85/1,211,164.20 = 495,664.63/x
  3. Step 3: Cross multiply
    877,637.85x = 1,211,164.20 × 495,664.63
  4. Step 4: Simplify right side
    877,637.85x = 600,331,252,034.34
  5. Step 5: Solve for x
    x = 600,331,252,034.34/877,637.85
  6. Step 6: Final answer
    x = 684,030.72

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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.