Home / 537,904.16-742,293.20-308,500.01

Finding the Fourth Proportional to 537,904.16, 742,293.20 and 308,500.01

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Solution

The fourth proportional to 537,904.16, 742,293.20 and 308,500.01 is: 425,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,904.16 : 742,293.20 = 308,500.01 : x
  2. Step 2: Convert to fraction form
    537,904.16/742,293.20 = 308,500.01/x
  3. Step 3: Cross multiply
    537,904.16x = 742,293.20 × 308,500.01
  4. Step 4: Simplify right side
    537,904.16x = 228,997,454,368.97
  5. Step 5: Solve for x
    x = 228,997,454,368.97/537,904.16
  6. Step 6: Final answer
    x = 425,721.67

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1.5x scale

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.