Home / 877,104.96-1,210,395.36-514,459.20

Finding the Fourth Proportional to 877,104.96, 1,210,395.36 and 514,459.20

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Solution

The fourth proportional to 877,104.96, 1,210,395.36 and 514,459.20 is: 709,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,104.96 : 1,210,395.36 = 514,459.20 : x
  2. Step 2: Convert to fraction form
    877,104.96/1,210,395.36 = 514,459.20/x
  3. Step 3: Cross multiply
    877,104.96x = 1,210,395.36 × 514,459.20
  4. Step 4: Simplify right side
    877,104.96x = 622,699,028,589.31
  5. Step 5: Solve for x
    x = 622,699,028,589.31/877,104.96
  6. Step 6: Final answer
    x = 709,948.13

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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.