Home / 820,798.84-1,132,721.47-514,888.11

Finding the Fourth Proportional to 820,798.84, 1,132,721.47 and 514,888.11

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Solution

The fourth proportional to 820,798.84, 1,132,721.47 and 514,888.11 is: 710,557.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,798.84 : 1,132,721.47 = 514,888.11 : x
  2. Step 2: Convert to fraction form
    820,798.84/1,132,721.47 = 514,888.11/x
  3. Step 3: Cross multiply
    820,798.84x = 1,132,721.47 × 514,888.11
  4. Step 4: Simplify right side
    820,798.84x = 583,224,814,592.09
  5. Step 5: Solve for x
    x = 583,224,814,592.09/820,798.84
  6. Step 6: Final answer
    x = 710,557.56

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1.5x scale

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.