Home / 708,355.08-977,501.34-386,058.24

Finding the Fourth Proportional to 708,355.08, 977,501.34 and 386,058.24

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Solution

The fourth proportional to 708,355.08, 977,501.34 and 386,058.24 is: 532,744.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,355.08 : 977,501.34 = 386,058.24 : x
  2. Step 2: Convert to fraction form
    708,355.08/977,501.34 = 386,058.24/x
  3. Step 3: Cross multiply
    708,355.08x = 977,501.34 × 386,058.24
  4. Step 4: Simplify right side
    708,355.08x = 377,372,446,918.04
  5. Step 5: Solve for x
    x = 377,372,446,918.04/708,355.08
  6. Step 6: Final answer
    x = 532,744.75

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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.