Home / 1,291,370.23-1,937,055.34-470,770.39

Finding the Fourth Proportional to 1,291,370.23, 1,937,055.34 and 470,770.39

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Solution

The fourth proportional to 1,291,370.23, 1,937,055.34 and 470,770.39 is: 706,155.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,370.23 : 1,937,055.34 = 470,770.39 : x
  2. Step 2: Convert to fraction form
    1,291,370.23/1,937,055.34 = 470,770.39/x
  3. Step 3: Cross multiply
    1,291,370.23x = 1,937,055.34 × 470,770.39
  4. Step 4: Simplify right side
    1,291,370.23x = 911,908,295,509.53
  5. Step 5: Solve for x
    x = 911,908,295,509.53/1,291,370.23
  6. Step 6: Final answer
    x = 706,155.58

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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.