Home / 1,689,355.60-2,534,012.25-409,973.67

Finding the Fourth Proportional to 1,689,355.60, 2,534,012.25 and 409,973.67

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Solution

The fourth proportional to 1,689,355.60, 2,534,012.25 and 409,973.67 is: 614,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,355.60 : 2,534,012.25 = 409,973.67 : x
  2. Step 2: Convert to fraction form
    1,689,355.60/2,534,012.25 = 409,973.67/x
  3. Step 3: Cross multiply
    1,689,355.60x = 2,534,012.25 × 409,973.67
  4. Step 4: Simplify right side
    1,689,355.60x = 1,038,878,301,957.46
  5. Step 5: Solve for x
    x = 1,038,878,301,957.46/1,689,355.60
  6. Step 6: Final answer
    x = 614,955.37

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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.