Home / 954,320.99-1,316,952.33-518,728.91

Finding the Fourth Proportional to 954,320.99, 1,316,952.33 and 518,728.91

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Solution

The fourth proportional to 954,320.99, 1,316,952.33 and 518,728.91 is: 715,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,320.99 : 1,316,952.33 = 518,728.91 : x
  2. Step 2: Convert to fraction form
    954,320.99/1,316,952.33 = 518,728.91/x
  3. Step 3: Cross multiply
    954,320.99x = 1,316,952.33 × 518,728.91
  4. Step 4: Simplify right side
    954,320.99x = 683,141,248,010.01
  5. Step 5: Solve for x
    x = 683,141,248,010.01/954,320.99
  6. Step 6: Final answer
    x = 715,840.11

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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.