Home / 648,601.34-895,001.54-376,616.03

Finding the Fourth Proportional to 648,601.34, 895,001.54 and 376,616.03

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Solution

The fourth proportional to 648,601.34, 895,001.54 and 376,616.03 is: 519,690.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,601.34 : 895,001.54 = 376,616.03 : x
  2. Step 2: Convert to fraction form
    648,601.34/895,001.54 = 376,616.03/x
  3. Step 3: Cross multiply
    648,601.34x = 895,001.54 × 376,616.03
  4. Step 4: Simplify right side
    648,601.34x = 337,071,920,480.60
  5. Step 5: Solve for x
    x = 337,071,920,480.60/648,601.34
  6. Step 6: Final answer
    x = 519,690.45

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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.