Home / 1,044,135.20-1,458,640-1,044,135.20

Finding the Fourth Proportional to 1,044,135.20, 1,458,640 and 1,044,135.20

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Solution

The fourth proportional to 1,044,135.20, 1,458,640 and 1,044,135.20 is: 1,458,640

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,135.20 : 1,458,640 = 1,044,135.20 : x
  2. Step 2: Convert to fraction form
    1,044,135.20/1,458,640 = 1,044,135.20/x
  3. Step 3: Cross multiply
    1,044,135.20x = 1,458,640 × 1,044,135.20
  4. Step 4: Simplify right side
    1,044,135.20x = 1,523,017,368,128
  5. Step 5: Solve for x
    x = 1,523,017,368,128/1,044,135.20
  6. Step 6: Final answer
    x = 1,458,640

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.