Home / 776,807.76-1,071,953.82-432,637.55

Finding the Fourth Proportional to 776,807.76, 1,071,953.82 and 432,637.55

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Solution

The fourth proportional to 776,807.76, 1,071,953.82 and 432,637.55 is: 597,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,807.76 : 1,071,953.82 = 432,637.55 : x
  2. Step 2: Convert to fraction form
    776,807.76/1,071,953.82 = 432,637.55/x
  3. Step 3: Cross multiply
    776,807.76x = 1,071,953.82 × 432,637.55
  4. Step 4: Simplify right side
    776,807.76x = 463,767,469,038.17
  5. Step 5: Solve for x
    x = 463,767,469,038.17/776,807.76
  6. Step 6: Final answer
    x = 597,017.04

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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.