Home / 1,066,256.60-1,471,437.05-636,527.48

Finding the Fourth Proportional to 1,066,256.60, 1,471,437.05 and 636,527.48

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Solution

The fourth proportional to 1,066,256.60, 1,471,437.05 and 636,527.48 is: 878,409.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,256.60 : 1,471,437.05 = 636,527.48 : x
  2. Step 2: Convert to fraction form
    1,066,256.60/1,471,437.05 = 636,527.48/x
  3. Step 3: Cross multiply
    1,066,256.60x = 1,471,437.05 × 636,527.48
  4. Step 4: Simplify right side
    1,066,256.60x = 936,610,106,875.31
  5. Step 5: Solve for x
    x = 936,610,106,875.31/1,066,256.60
  6. Step 6: Final answer
    x = 878,409.67

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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.