Home / 1,023,053.93-1,411,228.28-640,416.41

Finding the Fourth Proportional to 1,023,053.93, 1,411,228.28 and 640,416.41

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Solution

The fourth proportional to 1,023,053.93, 1,411,228.28 and 640,416.41 is: 883,407.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,053.93 : 1,411,228.28 = 640,416.41 : x
  2. Step 2: Convert to fraction form
    1,023,053.93/1,411,228.28 = 640,416.41/x
  3. Step 3: Cross multiply
    1,023,053.93x = 1,411,228.28 × 640,416.41
  4. Step 4: Simplify right side
    1,023,053.93x = 903,773,748,768.08
  5. Step 5: Solve for x
    x = 903,773,748,768.08/1,023,053.93
  6. Step 6: Final answer
    x = 883,407.73

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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.