Home / 912,018.33-1,258,278.44-590,135.67

Finding the Fourth Proportional to 912,018.33, 1,258,278.44 and 590,135.67

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Solution

The fourth proportional to 912,018.33, 1,258,278.44 and 590,135.67 is: 814,188.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,018.33 : 1,258,278.44 = 590,135.67 : x
  2. Step 2: Convert to fraction form
    912,018.33/1,258,278.44 = 590,135.67/x
  3. Step 3: Cross multiply
    912,018.33x = 1,258,278.44 × 590,135.67
  4. Step 4: Simplify right side
    912,018.33x = 742,554,987,285.28
  5. Step 5: Solve for x
    x = 742,554,987,285.28/912,018.33
  6. Step 6: Final answer
    x = 814,188.67

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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.