Home / 778,788.37-1,075,214.45-597,151.34

Finding the Fourth Proportional to 778,788.37, 1,075,214.45 and 597,151.34

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Solution

The fourth proportional to 778,788.37, 1,075,214.45 and 597,151.34 is: 824,441.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,788.37 : 1,075,214.45 = 597,151.34 : x
  2. Step 2: Convert to fraction form
    778,788.37/1,075,214.45 = 597,151.34/x
  3. Step 3: Cross multiply
    778,788.37x = 1,075,214.45 × 597,151.34
  4. Step 4: Simplify right side
    778,788.37x = 642,065,749,604.86
  5. Step 5: Solve for x
    x = 642,065,749,604.86/778,788.37
  6. Step 6: Final answer
    x = 824,441.88

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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.