Home / 1,069,065.90-1,603,597.77-437,980.86

Finding the Fourth Proportional to 1,069,065.90, 1,603,597.77 and 437,980.86

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Solution

The fourth proportional to 1,069,065.90, 1,603,597.77 and 437,980.86 is: 656,970.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,065.90 : 1,603,597.77 = 437,980.86 : x
  2. Step 2: Convert to fraction form
    1,069,065.90/1,603,597.77 = 437,980.86/x
  3. Step 3: Cross multiply
    1,069,065.90x = 1,603,597.77 × 437,980.86
  4. Step 4: Simplify right side
    1,069,065.90x = 702,345,130,398.68
  5. Step 5: Solve for x
    x = 702,345,130,398.68/1,069,065.90
  6. Step 6: Final answer
    x = 656,970.85

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Similar ratio
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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.