Home / 1,435,909.60-2,153,864.40-1,155,973.60

Finding the Fourth Proportional to 1,435,909.60, 2,153,864.40 and 1,155,973.60

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Solution

The fourth proportional to 1,435,909.60, 2,153,864.40 and 1,155,973.60 is: 1,733,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,909.60 : 2,153,864.40 = 1,155,973.60 : x
  2. Step 2: Convert to fraction form
    1,435,909.60/2,153,864.40 = 1,155,973.60/x
  3. Step 3: Cross multiply
    1,435,909.60x = 2,153,864.40 × 1,155,973.60
  4. Step 4: Simplify right side
    1,435,909.60x = 2,489,810,384,379.84
  5. Step 5: Solve for x
    x = 2,489,810,384,379.84/1,435,909.60
  6. Step 6: Final answer
    x = 1,733,960.40

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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.