Home / 581,915.95-802,923.65-340,151.76

Finding the Fourth Proportional to 581,915.95, 802,923.65 and 340,151.76

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Solution

The fourth proportional to 581,915.95, 802,923.65 and 340,151.76 is: 469,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,915.95 : 802,923.65 = 340,151.76 : x
  2. Step 2: Convert to fraction form
    581,915.95/802,923.65 = 340,151.76/x
  3. Step 3: Cross multiply
    581,915.95x = 802,923.65 × 340,151.76
  4. Step 4: Simplify right side
    581,915.95x = 273,115,892,693.12
  5. Step 5: Solve for x
    x = 273,115,892,693.12/581,915.95
  6. Step 6: Final answer
    x = 469,339.07

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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.