Home / 1,239,756.60-1,859,951.70-398,316.60

Finding the Fourth Proportional to 1,239,756.60, 1,859,951.70 and 398,316.60

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Solution

The fourth proportional to 1,239,756.60, 1,859,951.70 and 398,316.60 is: 597,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,756.60 : 1,859,951.70 = 398,316.60 : x
  2. Step 2: Convert to fraction form
    1,239,756.60/1,859,951.70 = 398,316.60/x
  3. Step 3: Cross multiply
    1,239,756.60x = 1,859,951.70 × 398,316.60
  4. Step 4: Simplify right side
    1,239,756.60x = 740,849,637,308.22
  5. Step 5: Solve for x
    x = 740,849,637,308.22/1,239,756.60
  6. Step 6: Final answer
    x = 597,576.68

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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.