Home / 761,121.34-1,050,347.90-416,969.77

Finding the Fourth Proportional to 761,121.34, 1,050,347.90 and 416,969.77

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Solution

The fourth proportional to 761,121.34, 1,050,347.90 and 416,969.77 is: 575,418.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,121.34 : 1,050,347.90 = 416,969.77 : x
  2. Step 2: Convert to fraction form
    761,121.34/1,050,347.90 = 416,969.77/x
  3. Step 3: Cross multiply
    761,121.34x = 1,050,347.90 × 416,969.77
  4. Step 4: Simplify right side
    761,121.34x = 437,963,322,282.98
  5. Step 5: Solve for x
    x = 437,963,322,282.98/761,121.34
  6. Step 6: Final answer
    x = 575,418.53

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Double scale
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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.