Home / 423,510.16-634,668-234,055.84

Finding the Fourth Proportional to 423,510.16, 634,668 and 234,055.84

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Solution

The fourth proportional to 423,510.16, 634,668 and 234,055.84 is: 350,753.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,510.16 : 634,668 = 234,055.84 : x
  2. Step 2: Convert to fraction form
    423,510.16/634,668 = 234,055.84/x
  3. Step 3: Cross multiply
    423,510.16x = 634,668 × 234,055.84
  4. Step 4: Simplify right side
    423,510.16x = 148,547,751,861.12
  5. Step 5: Solve for x
    x = 148,547,751,861.12/423,510.16
  6. Step 6: Final answer
    x = 350,753.69

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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.