Home / 589,320.10-883,980.15-340,488.10

Finding the Fourth Proportional to 589,320.10, 883,980.15 and 340,488.10

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Solution

The fourth proportional to 589,320.10, 883,980.15 and 340,488.10 is: 510,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,320.10 : 883,980.15 = 340,488.10 : x
  2. Step 2: Convert to fraction form
    589,320.10/883,980.15 = 340,488.10/x
  3. Step 3: Cross multiply
    589,320.10x = 883,980.15 × 340,488.10
  4. Step 4: Simplify right side
    589,320.10x = 300,984,721,711.22
  5. Step 5: Solve for x
    x = 300,984,721,711.22/589,320.10
  6. Step 6: Final answer
    x = 510,732.15

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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.