Home / 896,421.35-1,237,061.48-494,013.35

Finding the Fourth Proportional to 896,421.35, 1,237,061.48 and 494,013.35

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Solution

The fourth proportional to 896,421.35, 1,237,061.48 and 494,013.35 is: 681,738.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,421.35 : 1,237,061.48 = 494,013.35 : x
  2. Step 2: Convert to fraction form
    896,421.35/1,237,061.48 = 494,013.35/x
  3. Step 3: Cross multiply
    896,421.35x = 1,237,061.48 × 494,013.35
  4. Step 4: Simplify right side
    896,421.35x = 611,124,877,235.38
  5. Step 5: Solve for x
    x = 611,124,877,235.38/896,421.35
  6. Step 6: Final answer
    x = 681,738.43

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Half scale
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Double scale
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Similar ratio
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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.