Home / 776,699.51-1,071,777.08-432,509.45

Finding the Fourth Proportional to 776,699.51, 1,071,777.08 and 432,509.45

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Solution

The fourth proportional to 776,699.51, 1,071,777.08 and 432,509.45 is: 596,825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,699.51 : 1,071,777.08 = 432,509.45 : x
  2. Step 2: Convert to fraction form
    776,699.51/1,071,777.08 = 432,509.45/x
  3. Step 3: Cross multiply
    776,699.51x = 1,071,777.08 × 432,509.45
  4. Step 4: Simplify right side
    776,699.51x = 463,553,711,115.79
  5. Step 5: Solve for x
    x = 463,553,711,115.79/776,699.51
  6. Step 6: Final answer
    x = 596,825.04

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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.