Home / 754,866.40-1,041,744.28-432,638.68

Finding the Fourth Proportional to 754,866.40, 1,041,744.28 and 432,638.68

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Solution

The fourth proportional to 754,866.40, 1,041,744.28 and 432,638.68 is: 597,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,866.40 : 1,041,744.28 = 432,638.68 : x
  2. Step 2: Convert to fraction form
    754,866.40/1,041,744.28 = 432,638.68/x
  3. Step 3: Cross multiply
    754,866.40x = 1,041,744.28 × 432,638.68
  4. Step 4: Simplify right side
    754,866.40x = 450,698,870,196.75
  5. Step 5: Solve for x
    x = 450,698,870,196.75/754,866.40
  6. Step 6: Final answer
    x = 597,057.80

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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.