Home / 985,570.90-1,360,086.69-532,860.82

Finding the Fourth Proportional to 985,570.90, 1,360,086.69 and 532,860.82

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Solution

The fourth proportional to 985,570.90, 1,360,086.69 and 532,860.82 is: 735,347.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,570.90 : 1,360,086.69 = 532,860.82 : x
  2. Step 2: Convert to fraction form
    985,570.90/1,360,086.69 = 532,860.82/x
  3. Step 3: Cross multiply
    985,570.90x = 1,360,086.69 × 532,860.82
  4. Step 4: Simplify right side
    985,570.90x = 724,736,908,904.49
  5. Step 5: Solve for x
    x = 724,736,908,904.49/985,570.90
  6. Step 6: Final answer
    x = 735,347.31

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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.