Home / 1,316,091.64-1,816,207.08-712,479.64

Finding the Fourth Proportional to 1,316,091.64, 1,816,207.08 and 712,479.64

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Solution

The fourth proportional to 1,316,091.64, 1,816,207.08 and 712,479.64 is: 983,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,091.64 : 1,816,207.08 = 712,479.64 : x
  2. Step 2: Convert to fraction form
    1,316,091.64/1,816,207.08 = 712,479.64/x
  3. Step 3: Cross multiply
    1,316,091.64x = 1,816,207.08 × 712,479.64
  4. Step 4: Simplify right side
    1,316,091.64x = 1,294,010,566,523.85
  5. Step 5: Solve for x
    x = 1,294,010,566,523.85/1,316,091.64
  6. Step 6: Final answer
    x = 983,222.24

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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.