Home / 1,026,921.42-1,539,818.13-316,752.30

Finding the Fourth Proportional to 1,026,921.42, 1,539,818.13 and 316,752.30

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Solution

The fourth proportional to 1,026,921.42, 1,539,818.13 and 316,752.30 is: 474,954.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,921.42 : 1,539,818.13 = 316,752.30 : x
  2. Step 2: Convert to fraction form
    1,026,921.42/1,539,818.13 = 316,752.30/x
  3. Step 3: Cross multiply
    1,026,921.42x = 1,539,818.13 × 316,752.30
  4. Step 4: Simplify right side
    1,026,921.42x = 487,740,934,259.20
  5. Step 5: Solve for x
    x = 487,740,934,259.20/1,026,921.42
  6. Step 6: Final answer
    x = 474,954.49

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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.