Home / 1,528,388.30-2,292,509.55-517,411.10

Finding the Fourth Proportional to 1,528,388.30, 2,292,509.55 and 517,411.10

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Solution

The fourth proportional to 1,528,388.30, 2,292,509.55 and 517,411.10 is: 776,091.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,388.30 : 2,292,509.55 = 517,411.10 : x
  2. Step 2: Convert to fraction form
    1,528,388.30/2,292,509.55 = 517,411.10/x
  3. Step 3: Cross multiply
    1,528,388.30x = 2,292,509.55 × 517,411.10
  4. Step 4: Simplify right side
    1,528,388.30x = 1,186,169,888,026.00
  5. Step 5: Solve for x
    x = 1,186,169,888,026.00/1,528,388.30
  6. Step 6: Final answer
    x = 776,091.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.