Home / 785,013.86-1,083,315.02-440,864.29

Finding the Fourth Proportional to 785,013.86, 1,083,315.02 and 440,864.29

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Solution

The fourth proportional to 785,013.86, 1,083,315.02 and 440,864.29 is: 608,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,013.86 : 1,083,315.02 = 440,864.29 : x
  2. Step 2: Convert to fraction form
    785,013.86/1,083,315.02 = 440,864.29/x
  3. Step 3: Cross multiply
    785,013.86x = 1,083,315.02 × 440,864.29
  4. Step 4: Simplify right side
    785,013.86x = 477,594,905,532.51
  5. Step 5: Solve for x
    x = 477,594,905,532.51/785,013.86
  6. Step 6: Final answer
    x = 608,390.42

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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.