Home / 584,985.40-876,165.90-480,009.40

Finding the Fourth Proportional to 584,985.40, 876,165.90 and 480,009.40

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Solution

The fourth proportional to 584,985.40, 876,165.90 and 480,009.40 is: 718,937.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,985.40 : 876,165.90 = 480,009.40 : x
  2. Step 2: Convert to fraction form
    584,985.40/876,165.90 = 480,009.40/x
  3. Step 3: Cross multiply
    584,985.40x = 876,165.90 × 480,009.40
  4. Step 4: Simplify right side
    584,985.40x = 420,567,867,959.46
  5. Step 5: Solve for x
    x = 420,567,867,959.46/584,985.40
  6. Step 6: Final answer
    x = 718,937.38

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1.5x scale

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.