Home / 693,926.48-1,038,038.44-553,958.48

Finding the Fourth Proportional to 693,926.48, 1,038,038.44 and 553,958.48

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Solution

The fourth proportional to 693,926.48, 1,038,038.44 and 553,958.48 is: 828,661.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,926.48 : 1,038,038.44 = 553,958.48 : x
  2. Step 2: Convert to fraction form
    693,926.48/1,038,038.44 = 553,958.48/x
  3. Step 3: Cross multiply
    693,926.48x = 1,038,038.44 × 553,958.48
  4. Step 4: Simplify right side
    693,926.48x = 575,030,196,403.97
  5. Step 5: Solve for x
    x = 575,030,196,403.97/693,926.48
  6. Step 6: Final answer
    x = 828,661.56

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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.