Home / 1,085,303.18-1,627,968.51-411,203.40

Finding the Fourth Proportional to 1,085,303.18, 1,627,968.51 and 411,203.40

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Solution

The fourth proportional to 1,085,303.18, 1,627,968.51 and 411,203.40 is: 616,810.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,303.18 : 1,627,968.51 = 411,203.40 : x
  2. Step 2: Convert to fraction form
    1,085,303.18/1,627,968.51 = 411,203.40/x
  3. Step 3: Cross multiply
    1,085,303.18x = 1,627,968.51 × 411,203.40
  4. Step 4: Simplify right side
    1,085,303.18x = 669,426,184,348.92
  5. Step 5: Solve for x
    x = 669,426,184,348.92/1,085,303.18
  6. Step 6: Final answer
    x = 616,810.31

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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.