Home / 688,526.94-950,148.13-382,595.40

Finding the Fourth Proportional to 688,526.94, 950,148.13 and 382,595.40

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Solution

The fourth proportional to 688,526.94, 950,148.13 and 382,595.40 is: 527,971.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,526.94 : 950,148.13 = 382,595.40 : x
  2. Step 2: Convert to fraction form
    688,526.94/950,148.13 = 382,595.40/x
  3. Step 3: Cross multiply
    688,526.94x = 950,148.13 × 382,595.40
  4. Step 4: Simplify right side
    688,526.94x = 363,522,303,856.60
  5. Step 5: Solve for x
    x = 363,522,303,856.60/688,526.94
  6. Step 6: Final answer
    x = 527,971.07

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Double scale
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Similar ratio
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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.