Home / 985,999.76-1,360,562.64-556,254.80

Finding the Fourth Proportional to 985,999.76, 1,360,562.64 and 556,254.80

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Solution

The fourth proportional to 985,999.76, 1,360,562.64 and 556,254.80 is: 767,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,999.76 : 1,360,562.64 = 556,254.80 : x
  2. Step 2: Convert to fraction form
    985,999.76/1,360,562.64 = 556,254.80/x
  3. Step 3: Cross multiply
    985,999.76x = 1,360,562.64 × 556,254.80
  4. Step 4: Simplify right side
    985,999.76x = 756,819,499,200.67
  5. Step 5: Solve for x
    x = 756,819,499,200.67/985,999.76
  6. Step 6: Final answer
    x = 767,565.60

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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.