Home / 977,958.58-1,349,404.39-564,344.47

Finding the Fourth Proportional to 977,958.58, 1,349,404.39 and 564,344.47

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Solution

The fourth proportional to 977,958.58, 1,349,404.39 and 564,344.47 is: 778,692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,958.58 : 1,349,404.39 = 564,344.47 : x
  2. Step 2: Convert to fraction form
    977,958.58/1,349,404.39 = 564,344.47/x
  3. Step 3: Cross multiply
    977,958.58x = 1,349,404.39 × 564,344.47
  4. Step 4: Simplify right side
    977,958.58x = 761,528,905,290.22
  5. Step 5: Solve for x
    x = 761,528,905,290.22/977,958.58
  6. Step 6: Final answer
    x = 778,692.39

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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.