Home / 963,397.50-1,445,119.63-323,710.40

Finding the Fourth Proportional to 963,397.50, 1,445,119.63 and 323,710.40

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Solution

The fourth proportional to 963,397.50, 1,445,119.63 and 323,710.40 is: 485,573.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,397.50 : 1,445,119.63 = 323,710.40 : x
  2. Step 2: Convert to fraction form
    963,397.50/1,445,119.63 = 323,710.40/x
  3. Step 3: Cross multiply
    963,397.50x = 1,445,119.63 × 323,710.40
  4. Step 4: Simplify right side
    963,397.50x = 467,800,254,035.15
  5. Step 5: Solve for x
    x = 467,800,254,035.15/963,397.50
  6. Step 6: Final answer
    x = 485,573.46

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Double scale
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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.