Home / 1,532,678.60-2,115,161.70-853,615.10

Finding the Fourth Proportional to 1,532,678.60, 2,115,161.70 and 853,615.10

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Solution

The fourth proportional to 1,532,678.60, 2,115,161.70 and 853,615.10 is: 1,178,025.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,678.60 : 2,115,161.70 = 853,615.10 : x
  2. Step 2: Convert to fraction form
    1,532,678.60/2,115,161.70 = 853,615.10/x
  3. Step 3: Cross multiply
    1,532,678.60x = 2,115,161.70 × 853,615.10
  4. Step 4: Simplify right side
    1,532,678.60x = 1,805,533,966,061.67
  5. Step 5: Solve for x
    x = 1,805,533,966,061.67/1,532,678.60
  6. Step 6: Final answer
    x = 1,178,025.17

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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.