Home / 810,698.34-1,118,763.95-443,177.07

Finding the Fourth Proportional to 810,698.34, 1,118,763.95 and 443,177.07

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Solution

The fourth proportional to 810,698.34, 1,118,763.95 and 443,177.07 is: 611,584.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,698.34 : 1,118,763.95 = 443,177.07 : x
  2. Step 2: Convert to fraction form
    810,698.34/1,118,763.95 = 443,177.07/x
  3. Step 3: Cross multiply
    810,698.34x = 1,118,763.95 × 443,177.07
  4. Step 4: Simplify right side
    810,698.34x = 495,810,527,166.74
  5. Step 5: Solve for x
    x = 495,810,527,166.74/810,698.34
  6. Step 6: Final answer
    x = 611,584.49

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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.