Home / 985,597.20-1,360,123.74-555,876.36

Finding the Fourth Proportional to 985,597.20, 1,360,123.74 and 555,876.36

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Solution

The fourth proportional to 985,597.20, 1,360,123.74 and 555,876.36 is: 767,109.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,597.20 : 1,360,123.74 = 555,876.36 : x
  2. Step 2: Convert to fraction form
    985,597.20/1,360,123.74 = 555,876.36/x
  3. Step 3: Cross multiply
    985,597.20x = 1,360,123.74 × 555,876.36
  4. Step 4: Simplify right side
    985,597.20x = 756,060,633,740.79
  5. Step 5: Solve for x
    x = 756,060,633,740.79/985,597.20
  6. Step 6: Final answer
    x = 767,109.15

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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.