Home / 1,114,215.90-1,537,603.05-630,768.66

Finding the Fourth Proportional to 1,114,215.90, 1,537,603.05 and 630,768.66

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Solution

The fourth proportional to 1,114,215.90, 1,537,603.05 and 630,768.66 is: 870,452.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,215.90 : 1,537,603.05 = 630,768.66 : x
  2. Step 2: Convert to fraction form
    1,114,215.90/1,537,603.05 = 630,768.66/x
  3. Step 3: Cross multiply
    1,114,215.90x = 1,537,603.05 × 630,768.66
  4. Step 4: Simplify right side
    1,114,215.90x = 969,871,815,460.41
  5. Step 5: Solve for x
    x = 969,871,815,460.41/1,114,215.90
  6. Step 6: Final answer
    x = 870,452.32

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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.