Home / 725,026.40-1,087,539.60-620,050.40

Finding the Fourth Proportional to 725,026.40, 1,087,539.60 and 620,050.40

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Solution

The fourth proportional to 725,026.40, 1,087,539.60 and 620,050.40 is: 930,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,026.40 : 1,087,539.60 = 620,050.40 : x
  2. Step 2: Convert to fraction form
    725,026.40/1,087,539.60 = 620,050.40/x
  3. Step 3: Cross multiply
    725,026.40x = 1,087,539.60 × 620,050.40
  4. Step 4: Simplify right side
    725,026.40x = 674,329,363,995.84
  5. Step 5: Solve for x
    x = 674,329,363,995.84/725,026.40
  6. Step 6: Final answer
    x = 930,075.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.