Home / 895,171.08-1,235,334.71-487,271.66

Finding the Fourth Proportional to 895,171.08, 1,235,334.71 and 487,271.66

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Solution

The fourth proportional to 895,171.08, 1,235,334.71 and 487,271.66 is: 672,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,171.08 : 1,235,334.71 = 487,271.66 : x
  2. Step 2: Convert to fraction form
    895,171.08/1,235,334.71 = 487,271.66/x
  3. Step 3: Cross multiply
    895,171.08x = 1,235,334.71 × 487,271.66
  4. Step 4: Simplify right side
    895,171.08x = 601,943,594,797.32
  5. Step 5: Solve for x
    x = 601,943,594,797.32/895,171.08
  6. Step 6: Final answer
    x = 672,434.14

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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.