Home / 983,133.72-1,356,709.50-553,412.52

Finding the Fourth Proportional to 983,133.72, 1,356,709.50 and 553,412.52

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Solution

The fourth proportional to 983,133.72, 1,356,709.50 and 553,412.52 is: 763,700.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,133.72 : 1,356,709.50 = 553,412.52 : x
  2. Step 2: Convert to fraction form
    983,133.72/1,356,709.50 = 553,412.52/x
  3. Step 3: Cross multiply
    983,133.72x = 1,356,709.50 × 553,412.52
  4. Step 4: Simplify right side
    983,133.72x = 750,820,023,302.94
  5. Step 5: Solve for x
    x = 750,820,023,302.94/983,133.72
  6. Step 6: Final answer
    x = 763,700.82

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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.