Home / 895,240.56-1,235,431.94-487,345.35

Finding the Fourth Proportional to 895,240.56, 1,235,431.94 and 487,345.35

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Solution

The fourth proportional to 895,240.56, 1,235,431.94 and 487,345.35 is: 672,536.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,240.56 : 1,235,431.94 = 487,345.35 : x
  2. Step 2: Convert to fraction form
    895,240.56/1,235,431.94 = 487,345.35/x
  3. Step 3: Cross multiply
    895,240.56x = 1,235,431.94 × 487,345.35
  4. Step 4: Simplify right side
    895,240.56x = 602,082,011,200.48
  5. Step 5: Solve for x
    x = 602,082,011,200.48/895,240.56
  6. Step 6: Final answer
    x = 672,536.57

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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.