Home / 853,132.69-1,177,855.59-543,210.19

Finding the Fourth Proportional to 853,132.69, 1,177,855.59 and 543,210.19

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Solution

The fourth proportional to 853,132.69, 1,177,855.59 and 543,210.19 is: 749,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,132.69 : 1,177,855.59 = 543,210.19 : x
  2. Step 2: Convert to fraction form
    853,132.69/1,177,855.59 = 543,210.19/x
  3. Step 3: Cross multiply
    853,132.69x = 1,177,855.59 × 543,210.19
  4. Step 4: Simplify right side
    853,132.69x = 639,823,157,928.86
  5. Step 5: Solve for x
    x = 639,823,157,928.86/853,132.69
  6. Step 6: Final answer
    x = 749,969.10

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Double scale
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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.