Home / 865,503.34-1,194,559.63-570,635.30

Finding the Fourth Proportional to 865,503.34, 1,194,559.63 and 570,635.30

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Solution

The fourth proportional to 865,503.34, 1,194,559.63 and 570,635.30 is: 787,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,503.34 : 1,194,559.63 = 570,635.30 : x
  2. Step 2: Convert to fraction form
    865,503.34/1,194,559.63 = 570,635.30/x
  3. Step 3: Cross multiply
    865,503.34x = 1,194,559.63 × 570,635.30
  4. Step 4: Simplify right side
    865,503.34x = 681,657,894,392.75
  5. Step 5: Solve for x
    x = 681,657,894,392.75/865,503.34
  6. Step 6: Final answer
    x = 787,585.52

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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.