Home / 1,159,423.60-1,738,357.80-528,012.40

Finding the Fourth Proportional to 1,159,423.60, 1,738,357.80 and 528,012.40

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Solution

The fourth proportional to 1,159,423.60, 1,738,357.80 and 528,012.40 is: 791,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,423.60 : 1,738,357.80 = 528,012.40 : x
  2. Step 2: Convert to fraction form
    1,159,423.60/1,738,357.80 = 528,012.40/x
  3. Step 3: Cross multiply
    1,159,423.60x = 1,738,357.80 × 528,012.40
  4. Step 4: Simplify right side
    1,159,423.60x = 917,874,474,036.72
  5. Step 5: Solve for x
    x = 917,874,474,036.72/1,159,423.60
  6. Step 6: Final answer
    x = 791,664.47

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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.