Home / 904,215.42-1,247,818.47-496,319.58

Finding the Fourth Proportional to 904,215.42, 1,247,818.47 and 496,319.58

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Solution

The fourth proportional to 904,215.42, 1,247,818.47 and 496,319.58 is: 684,921.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,215.42 : 1,247,818.47 = 496,319.58 : x
  2. Step 2: Convert to fraction form
    904,215.42/1,247,818.47 = 496,319.58/x
  3. Step 3: Cross multiply
    904,215.42x = 1,247,818.47 × 496,319.58
  4. Step 4: Simplify right side
    904,215.42x = 619,316,738,946.64
  5. Step 5: Solve for x
    x = 619,316,738,946.64/904,215.42
  6. Step 6: Final answer
    x = 684,921.67

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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.