Home / 672,621.70-927,693.06-430,926.77

Finding the Fourth Proportional to 672,621.70, 927,693.06 and 430,926.77

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Solution

The fourth proportional to 672,621.70, 927,693.06 and 430,926.77 is: 594,342.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,621.70 : 927,693.06 = 430,926.77 : x
  2. Step 2: Convert to fraction form
    672,621.70/927,693.06 = 430,926.77/x
  3. Step 3: Cross multiply
    672,621.70x = 927,693.06 × 430,926.77
  4. Step 4: Simplify right side
    672,621.70x = 399,767,773,897.22
  5. Step 5: Solve for x
    x = 399,767,773,897.22/672,621.70
  6. Step 6: Final answer
    x = 594,342.67

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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.