Home / 1,208,070.59-1,667,038.16-711,275.51

Finding the Fourth Proportional to 1,208,070.59, 1,667,038.16 and 711,275.51

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Solution

The fourth proportional to 1,208,070.59, 1,667,038.16 and 711,275.51 is: 981,501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,070.59 : 1,667,038.16 = 711,275.51 : x
  2. Step 2: Convert to fraction form
    1,208,070.59/1,667,038.16 = 711,275.51/x
  3. Step 3: Cross multiply
    1,208,070.59x = 1,667,038.16 × 711,275.51
  4. Step 4: Simplify right side
    1,208,070.59x = 1,185,723,405,551.89
  5. Step 5: Solve for x
    x = 1,185,723,405,551.89/1,208,070.59
  6. Step 6: Final answer
    x = 981,501.76

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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.