Home / 557,569.40-837,010.20-553,632.80

Finding the Fourth Proportional to 557,569.40, 837,010.20 and 553,632.80

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Solution

The fourth proportional to 557,569.40, 837,010.20 and 553,632.80 is: 831,100.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,569.40 : 837,010.20 = 553,632.80 : x
  2. Step 2: Convert to fraction form
    557,569.40/837,010.20 = 553,632.80/x
  3. Step 3: Cross multiply
    557,569.40x = 837,010.20 × 553,632.80
  4. Step 4: Simplify right side
    557,569.40x = 463,396,300,654.56
  5. Step 5: Solve for x
    x = 463,396,300,654.56/557,569.40
  6. Step 6: Final answer
    x = 831,100.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.