Home / 1,111,518.60-1,533,875.63-628,073.34

Finding the Fourth Proportional to 1,111,518.60, 1,533,875.63 and 628,073.34

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Solution

The fourth proportional to 1,111,518.60, 1,533,875.63 and 628,073.34 is: 866,729.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,518.60 : 1,533,875.63 = 628,073.34 : x
  2. Step 2: Convert to fraction form
    1,111,518.60/1,533,875.63 = 628,073.34/x
  3. Step 3: Cross multiply
    1,111,518.60x = 1,533,875.63 × 628,073.34
  4. Step 4: Simplify right side
    1,111,518.60x = 963,386,390,078.70
  5. Step 5: Solve for x
    x = 963,386,390,078.70/1,111,518.60
  6. Step 6: Final answer
    x = 866,729.89

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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.