Home / 977,634.76-1,349,132.76-569,977.96

Finding the Fourth Proportional to 977,634.76, 1,349,132.76 and 569,977.96

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Solution

The fourth proportional to 977,634.76, 1,349,132.76 and 569,977.96 is: 786,567.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,634.76 : 1,349,132.76 = 569,977.96 : x
  2. Step 2: Convert to fraction form
    977,634.76/1,349,132.76 = 569,977.96/x
  3. Step 3: Cross multiply
    977,634.76x = 1,349,132.76 × 569,977.96
  4. Step 4: Simplify right side
    977,634.76x = 768,975,938,313.97
  5. Step 5: Solve for x
    x = 768,975,938,313.97/977,634.76
  6. Step 6: Final answer
    x = 786,567.71

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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.