Home / 656,050.32-984,386.52-390,335.76

Finding the Fourth Proportional to 656,050.32, 984,386.52 and 390,335.76

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Solution

The fourth proportional to 656,050.32, 984,386.52 and 390,335.76 is: 585,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,050.32 : 984,386.52 = 390,335.76 : x
  2. Step 2: Convert to fraction form
    656,050.32/984,386.52 = 390,335.76/x
  3. Step 3: Cross multiply
    656,050.32x = 984,386.52 × 390,335.76
  4. Step 4: Simplify right side
    656,050.32x = 384,241,260,417.96
  5. Step 5: Solve for x
    x = 384,241,260,417.96/656,050.32
  6. Step 6: Final answer
    x = 585,688.70

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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.