Home / 876,971.81-1,210,221.71-474,563.81

Finding the Fourth Proportional to 876,971.81, 1,210,221.71 and 474,563.81

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Solution

The fourth proportional to 876,971.81, 1,210,221.71 and 474,563.81 is: 654,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,971.81 : 1,210,221.71 = 474,563.81 : x
  2. Step 2: Convert to fraction form
    876,971.81/1,210,221.71 = 474,563.81/x
  3. Step 3: Cross multiply
    876,971.81x = 1,210,221.71 × 474,563.81
  4. Step 4: Simplify right side
    876,971.81x = 574,327,428,074.67
  5. Step 5: Solve for x
    x = 574,327,428,074.67/876,971.81
  6. Step 6: Final answer
    x = 654,898.39

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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.