Home / 1,021,572.77-1,529,931.51-514,538.69

Finding the Fourth Proportional to 1,021,572.77, 1,529,931.51 and 514,538.69

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Solution

The fourth proportional to 1,021,572.77, 1,529,931.51 and 514,538.69 is: 770,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,572.77 : 1,529,931.51 = 514,538.69 : x
  2. Step 2: Convert to fraction form
    1,021,572.77/1,529,931.51 = 514,538.69/x
  3. Step 3: Cross multiply
    1,021,572.77x = 1,529,931.51 × 514,538.69
  4. Step 4: Simplify right side
    1,021,572.77x = 787,208,947,295.46
  5. Step 5: Solve for x
    x = 787,208,947,295.46/1,021,572.77
  6. Step 6: Final answer
    x = 770,585.29

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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.