Home / 623,018.40-859,764.76-336,538.36

Finding the Fourth Proportional to 623,018.40, 859,764.76 and 336,538.36

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Solution

The fourth proportional to 623,018.40, 859,764.76 and 336,538.36 is: 464,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,018.40 : 859,764.76 = 336,538.36 : x
  2. Step 2: Convert to fraction form
    623,018.40/859,764.76 = 336,538.36/x
  3. Step 3: Cross multiply
    623,018.40x = 859,764.76 × 336,538.36
  4. Step 4: Simplify right side
    623,018.40x = 289,343,822,316.19
  5. Step 5: Solve for x
    x = 289,343,822,316.19/623,018.40
  6. Step 6: Final answer
    x = 464,422.60

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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.