Home / 1,070,463.89-1,477,260.47-587,000.21

Finding the Fourth Proportional to 1,070,463.89, 1,477,260.47 and 587,000.21

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Solution

The fourth proportional to 1,070,463.89, 1,477,260.47 and 587,000.21 is: 810,071.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,463.89 : 1,477,260.47 = 587,000.21 : x
  2. Step 2: Convert to fraction form
    1,070,463.89/1,477,260.47 = 587,000.21/x
  3. Step 3: Cross multiply
    1,070,463.89x = 1,477,260.47 × 587,000.21
  4. Step 4: Simplify right side
    1,070,463.89x = 867,152,195,793.40
  5. Step 5: Solve for x
    x = 867,152,195,793.40/1,070,463.89
  6. Step 6: Final answer
    x = 810,071.42

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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.