Home / 617,943.10-927,461.40-364,907.20

Finding the Fourth Proportional to 617,943.10, 927,461.40 and 364,907.20

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Solution

The fourth proportional to 617,943.10, 927,461.40 and 364,907.20 is: 547,683.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,943.10 : 927,461.40 = 364,907.20 : x
  2. Step 2: Convert to fraction form
    617,943.10/927,461.40 = 364,907.20/x
  3. Step 3: Cross multiply
    617,943.10x = 927,461.40 × 364,907.20
  4. Step 4: Simplify right side
    617,943.10x = 338,437,342,582.08
  5. Step 5: Solve for x
    x = 338,437,342,582.08/617,943.10
  6. Step 6: Final answer
    x = 547,683.67

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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.