Home / 895,436.60-1,235,690.91-487,533.76

Finding the Fourth Proportional to 895,436.60, 1,235,690.91 and 487,533.76

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Solution

The fourth proportional to 895,436.60, 1,235,690.91 and 487,533.76 is: 672,790.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,436.60 : 1,235,690.91 = 487,533.76 : x
  2. Step 2: Convert to fraction form
    895,436.60/1,235,690.91 = 487,533.76/x
  3. Step 3: Cross multiply
    895,436.60x = 1,235,690.91 × 487,533.76
  4. Step 4: Simplify right side
    895,436.60x = 602,441,032,460.89
  5. Step 5: Solve for x
    x = 602,441,032,460.89/895,436.60
  6. Step 6: Final answer
    x = 672,790.27

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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.