Home / 985,378.69-1,359,824.58-532,669.69

Finding the Fourth Proportional to 985,378.69, 1,359,824.58 and 532,669.69

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Solution

The fourth proportional to 985,378.69, 1,359,824.58 and 532,669.69 is: 735,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,378.69 : 1,359,824.58 = 532,669.69 : x
  2. Step 2: Convert to fraction form
    985,378.69/1,359,824.58 = 532,669.69/x
  3. Step 3: Cross multiply
    985,378.69x = 1,359,824.58 × 532,669.69
  4. Step 4: Simplify right side
    985,378.69x = 724,337,337,482.98
  5. Step 5: Solve for x
    x = 724,337,337,482.98/985,378.69
  6. Step 6: Final answer
    x = 735,085.25

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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.