Home / 895,570.75-1,235,869.95-487,677.61

Finding the Fourth Proportional to 895,570.75, 1,235,869.95 and 487,677.61

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Solution

The fourth proportional to 895,570.75, 1,235,869.95 and 487,677.61 is: 672,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,570.75 : 1,235,869.95 = 487,677.61 : x
  2. Step 2: Convert to fraction form
    895,570.75/1,235,869.95 = 487,677.61/x
  3. Step 3: Cross multiply
    895,570.75x = 1,235,869.95 × 487,677.61
  4. Step 4: Simplify right side
    895,570.75x = 602,706,103,486.82
  5. Step 5: Solve for x
    x = 602,706,103,486.82/895,570.75
  6. Step 6: Final answer
    x = 672,985.47

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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.