Home / 895,032.61-1,235,155.10-487,137.06

Finding the Fourth Proportional to 895,032.61, 1,235,155.10 and 487,137.06

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Solution

The fourth proportional to 895,032.61, 1,235,155.10 and 487,137.06 is: 672,254.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,032.61 : 1,235,155.10 = 487,137.06 : x
  2. Step 2: Convert to fraction form
    895,032.61/1,235,155.10 = 487,137.06/x
  3. Step 3: Cross multiply
    895,032.61x = 1,235,155.10 × 487,137.06
  4. Step 4: Simplify right side
    895,032.61x = 601,689,821,622.32
  5. Step 5: Solve for x
    x = 601,689,821,622.32/895,032.61
  6. Step 6: Final answer
    x = 672,254.64

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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.