Home / 770,931.84-1,155,904.32-370,775.52

Finding the Fourth Proportional to 770,931.84, 1,155,904.32 and 370,775.52

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Solution

The fourth proportional to 770,931.84, 1,155,904.32 and 370,775.52 is: 555,925.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,931.84 : 1,155,904.32 = 370,775.52 : x
  2. Step 2: Convert to fraction form
    770,931.84/1,155,904.32 = 370,775.52/x
  3. Step 3: Cross multiply
    770,931.84x = 1,155,904.32 × 370,775.52
  4. Step 4: Simplify right side
    770,931.84x = 428,581,025,318.25
  5. Step 5: Solve for x
    x = 428,581,025,318.25/770,931.84
  6. Step 6: Final answer
    x = 555,925.96

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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.