Home / 819,050.76-1,130,866.38-574,555.32

Finding the Fourth Proportional to 819,050.76, 1,130,866.38 and 574,555.32

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Solution

The fourth proportional to 819,050.76, 1,130,866.38 and 574,555.32 is: 793,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,050.76 : 1,130,866.38 = 574,555.32 : x
  2. Step 2: Convert to fraction form
    819,050.76/1,130,866.38 = 574,555.32/x
  3. Step 3: Cross multiply
    819,050.76x = 1,130,866.38 × 574,555.32
  4. Step 4: Simplify right side
    819,050.76x = 649,745,294,838.14
  5. Step 5: Solve for x
    x = 649,745,294,838.14/819,050.76
  6. Step 6: Final answer
    x = 793,290.63

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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.