Home / 895,210.88-1,235,378.30-487,316.10

Finding the Fourth Proportional to 895,210.88, 1,235,378.30 and 487,316.10

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Solution

The fourth proportional to 895,210.88, 1,235,378.30 and 487,316.10 is: 672,489.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,210.88 : 1,235,378.30 = 487,316.10 : x
  2. Step 2: Convert to fraction form
    895,210.88/1,235,378.30 = 487,316.10/x
  3. Step 3: Cross multiply
    895,210.88x = 1,235,378.30 × 487,316.10
  4. Step 4: Simplify right side
    895,210.88x = 602,019,735,180.63
  5. Step 5: Solve for x
    x = 602,019,735,180.63/895,210.88
  6. Step 6: Final answer
    x = 672,489.30

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Double scale
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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.