Home / 859,121.40-1,185,602.18-471,953.16

Finding the Fourth Proportional to 859,121.40, 1,185,602.18 and 471,953.16

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Solution

The fourth proportional to 859,121.40, 1,185,602.18 and 471,953.16 is: 651,303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,121.40 : 1,185,602.18 = 471,953.16 : x
  2. Step 2: Convert to fraction form
    859,121.40/1,185,602.18 = 471,953.16/x
  3. Step 3: Cross multiply
    859,121.40x = 1,185,602.18 × 471,953.16
  4. Step 4: Simplify right side
    859,121.40x = 559,548,695,353.89
  5. Step 5: Solve for x
    x = 559,548,695,353.89/859,121.40
  6. Step 6: Final answer
    x = 651,303.41

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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.