Home / 1,010,576.25-1,394,595.23-557,870.49

Finding the Fourth Proportional to 1,010,576.25, 1,394,595.23 and 557,870.49

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Solution

The fourth proportional to 1,010,576.25, 1,394,595.23 and 557,870.49 is: 769,861.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,576.25 : 1,394,595.23 = 557,870.49 : x
  2. Step 2: Convert to fraction form
    1,010,576.25/1,394,595.23 = 557,870.49/x
  3. Step 3: Cross multiply
    1,010,576.25x = 1,394,595.23 × 557,870.49
  4. Step 4: Simplify right side
    1,010,576.25x = 778,003,521,522.41
  5. Step 5: Solve for x
    x = 778,003,521,522.41/1,010,576.25
  6. Step 6: Final answer
    x = 769,861.28

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Double scale
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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.