Home / 1,157,320.89-1,736,064.72-399,151.71

Finding the Fourth Proportional to 1,157,320.89, 1,736,064.72 and 399,151.71

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Solution

The fourth proportional to 1,157,320.89, 1,736,064.72 and 399,151.71 is: 598,756.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,320.89 : 1,736,064.72 = 399,151.71 : x
  2. Step 2: Convert to fraction form
    1,157,320.89/1,736,064.72 = 399,151.71/x
  3. Step 3: Cross multiply
    1,157,320.89x = 1,736,064.72 × 399,151.71
  4. Step 4: Simplify right side
    1,157,320.89x = 692,953,201,658.67
  5. Step 5: Solve for x
    x = 692,953,201,658.67/1,157,320.89
  6. Step 6: Final answer
    x = 598,756.32

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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.