Home / 623,006.28-859,748.60-336,526.40

Finding the Fourth Proportional to 623,006.28, 859,748.60 and 336,526.40

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Solution

The fourth proportional to 623,006.28, 859,748.60 and 336,526.40 is: 464,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,006.28 : 859,748.60 = 336,526.40 : x
  2. Step 2: Convert to fraction form
    623,006.28/859,748.60 = 336,526.40/x
  3. Step 3: Cross multiply
    623,006.28x = 859,748.60 × 336,526.40
  4. Step 4: Simplify right side
    623,006.28x = 289,328,101,263.04
  5. Step 5: Solve for x
    x = 289,328,101,263.04/623,006.28
  6. Step 6: Final answer
    x = 464,406.40

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Double scale
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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.