Home / 945,903.60-1,305,386.16-538,077.24

Finding the Fourth Proportional to 945,903.60, 1,305,386.16 and 538,077.24

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Solution

The fourth proportional to 945,903.60, 1,305,386.16 and 538,077.24 is: 742,568.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,903.60 : 1,305,386.16 = 538,077.24 : x
  2. Step 2: Convert to fraction form
    945,903.60/1,305,386.16 = 538,077.24/x
  3. Step 3: Cross multiply
    945,903.60x = 1,305,386.16 × 538,077.24
  4. Step 4: Simplify right side
    945,903.60x = 702,398,582,107.00
  5. Step 5: Solve for x
    x = 702,398,582,107.00/945,903.60
  6. Step 6: Final answer
    x = 742,568.89

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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.