Home / 1,113,017.88-1,534,802.88-660,221.40

Finding the Fourth Proportional to 1,113,017.88, 1,534,802.88 and 660,221.40

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Solution

The fourth proportional to 1,113,017.88, 1,534,802.88 and 660,221.40 is: 910,416.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,017.88 : 1,534,802.88 = 660,221.40 : x
  2. Step 2: Convert to fraction form
    1,113,017.88/1,534,802.88 = 660,221.40/x
  3. Step 3: Cross multiply
    1,113,017.88x = 1,534,802.88 × 660,221.40
  4. Step 4: Simplify right side
    1,113,017.88x = 1,013,309,706,157.63
  5. Step 5: Solve for x
    x = 1,013,309,706,157.63/1,113,017.88
  6. Step 6: Final answer
    x = 910,416.38

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Double scale
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1.5x scale

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.