Home / 648,930.60-895,518.96-358,541.25

Finding the Fourth Proportional to 648,930.60, 895,518.96 and 358,541.25

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Solution

The fourth proportional to 648,930.60, 895,518.96 and 358,541.25 is: 494,784.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,930.60 : 895,518.96 = 358,541.25 : x
  2. Step 2: Convert to fraction form
    648,930.60/895,518.96 = 358,541.25/x
  3. Step 3: Cross multiply
    648,930.60x = 895,518.96 × 358,541.25
  4. Step 4: Simplify right side
    648,930.60x = 321,080,487,317.10
  5. Step 5: Solve for x
    x = 321,080,487,317.10/648,930.60
  6. Step 6: Final answer
    x = 494,784.01

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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.