Home / 945,579.32-1,304,846.32-537,780.36

Finding the Fourth Proportional to 945,579.32, 1,304,846.32 and 537,780.36

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Solution

The fourth proportional to 945,579.32, 1,304,846.32 and 537,780.36 is: 742,106.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,579.32 : 1,304,846.32 = 537,780.36 : x
  2. Step 2: Convert to fraction form
    945,579.32/1,304,846.32 = 537,780.36/x
  3. Step 3: Cross multiply
    945,579.32x = 1,304,846.32 × 537,780.36
  4. Step 4: Simplify right side
    945,579.32x = 701,720,723,714.28
  5. Step 5: Solve for x
    x = 701,720,723,714.28/945,579.32
  6. Step 6: Final answer
    x = 742,106.67

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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.