Home / 877,575.80-1,316,363.70-769,100.60

Finding the Fourth Proportional to 877,575.80, 1,316,363.70 and 769,100.60

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Solution

The fourth proportional to 877,575.80, 1,316,363.70 and 769,100.60 is: 1,153,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,575.80 : 1,316,363.70 = 769,100.60 : x
  2. Step 2: Convert to fraction form
    877,575.80/1,316,363.70 = 769,100.60/x
  3. Step 3: Cross multiply
    877,575.80x = 1,316,363.70 × 769,100.60
  4. Step 4: Simplify right side
    877,575.80x = 1,012,416,111,488.22
  5. Step 5: Solve for x
    x = 1,012,416,111,488.22/877,575.80
  6. Step 6: Final answer
    x = 1,153,650.90

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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.