Home / 708,583.65-977,825.94-386,293.67

Finding the Fourth Proportional to 708,583.65, 977,825.94 and 386,293.67

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Solution

The fourth proportional to 708,583.65, 977,825.94 and 386,293.67 is: 533,074.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,583.65 : 977,825.94 = 386,293.67 : x
  2. Step 2: Convert to fraction form
    708,583.65/977,825.94 = 386,293.67/x
  3. Step 3: Cross multiply
    708,583.65x = 977,825.94 × 386,293.67
  4. Step 4: Simplify right side
    708,583.65x = 377,727,966,094.67
  5. Step 5: Solve for x
    x = 377,727,966,094.67/708,583.65
  6. Step 6: Final answer
    x = 533,074.63

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Double scale
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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.