Home / 772,769.04-1,065,189.54-609,158.94

Finding the Fourth Proportional to 772,769.04, 1,065,189.54 and 609,158.94

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Solution

The fourth proportional to 772,769.04, 1,065,189.54 and 609,158.94 is: 839,668.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,769.04 : 1,065,189.54 = 609,158.94 : x
  2. Step 2: Convert to fraction form
    772,769.04/1,065,189.54 = 609,158.94/x
  3. Step 3: Cross multiply
    772,769.04x = 1,065,189.54 × 609,158.94
  4. Step 4: Simplify right side
    772,769.04x = 648,869,731,085.49
  5. Step 5: Solve for x
    x = 648,869,731,085.49/772,769.04
  6. Step 6: Final answer
    x = 839,668.38

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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.