Home / 859,695.40-1,289,543.10-594,274.60

Finding the Fourth Proportional to 859,695.40, 1,289,543.10 and 594,274.60

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Solution

The fourth proportional to 859,695.40, 1,289,543.10 and 594,274.60 is: 891,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,695.40 : 1,289,543.10 = 594,274.60 : x
  2. Step 2: Convert to fraction form
    859,695.40/1,289,543.10 = 594,274.60/x
  3. Step 3: Cross multiply
    859,695.40x = 1,289,543.10 × 594,274.60
  4. Step 4: Simplify right side
    859,695.40x = 766,342,709,935.26
  5. Step 5: Solve for x
    x = 766,342,709,935.26/859,695.40
  6. Step 6: Final answer
    x = 891,411.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.