Home / 985,642.08-1,360,184.22-555,920.88

Finding the Fourth Proportional to 985,642.08, 1,360,184.22 and 555,920.88

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Solution

The fourth proportional to 985,642.08, 1,360,184.22 and 555,920.88 is: 767,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,642.08 : 1,360,184.22 = 555,920.88 : x
  2. Step 2: Convert to fraction form
    985,642.08/1,360,184.22 = 555,920.88/x
  3. Step 3: Cross multiply
    985,642.08x = 1,360,184.22 × 555,920.88
  4. Step 4: Simplify right side
    985,642.08x = 756,154,808,544.51
  5. Step 5: Solve for x
    x = 756,154,808,544.51/985,642.08
  6. Step 6: Final answer
    x = 767,169.77

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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.