Home / 754,865.40-1,041,742.90-432,637.68

Finding the Fourth Proportional to 754,865.40, 1,041,742.90 and 432,637.68

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Solution

The fourth proportional to 754,865.40, 1,041,742.90 and 432,637.68 is: 597,056.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,865.40 : 1,041,742.90 = 432,637.68 : x
  2. Step 2: Convert to fraction form
    754,865.40/1,041,742.90 = 432,637.68/x
  3. Step 3: Cross multiply
    754,865.40x = 1,041,742.90 × 432,637.68
  4. Step 4: Simplify right side
    754,865.40x = 450,697,229,889.71
  5. Step 5: Solve for x
    x = 450,697,229,889.71/754,865.40
  6. Step 6: Final answer
    x = 597,056.42

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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.