Home / 985,200.09-1,359,653.14-549,754.35

Finding the Fourth Proportional to 985,200.09, 1,359,653.14 and 549,754.35

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Solution

The fourth proportional to 985,200.09, 1,359,653.14 and 549,754.35 is: 758,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,200.09 : 1,359,653.14 = 549,754.35 : x
  2. Step 2: Convert to fraction form
    985,200.09/1,359,653.14 = 549,754.35/x
  3. Step 3: Cross multiply
    985,200.09x = 1,359,653.14 × 549,754.35
  4. Step 4: Simplify right side
    985,200.09x = 747,475,228,206.16
  5. Step 5: Solve for x
    x = 747,475,228,206.16/985,200.09
  6. Step 6: Final answer
    x = 758,703.98

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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.