Home / 895,068.71-1,235,220.99-487,196.87

Finding the Fourth Proportional to 895,068.71, 1,235,220.99 and 487,196.87

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Solution

The fourth proportional to 895,068.71, 1,235,220.99 and 487,196.87 is: 672,345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,068.71 : 1,235,220.99 = 487,196.87 : x
  2. Step 2: Convert to fraction form
    895,068.71/1,235,220.99 = 487,196.87/x
  3. Step 3: Cross multiply
    895,068.71x = 1,235,220.99 × 487,196.87
  4. Step 4: Simplify right side
    895,068.71x = 601,795,800,086.30
  5. Step 5: Solve for x
    x = 601,795,800,086.30/895,068.71
  6. Step 6: Final answer
    x = 672,345.93

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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.