Home / 584,454.30-876,681.45-210,428.70

Finding the Fourth Proportional to 584,454.30, 876,681.45 and 210,428.70

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Solution

The fourth proportional to 584,454.30, 876,681.45 and 210,428.70 is: 315,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,454.30 : 876,681.45 = 210,428.70 : x
  2. Step 2: Convert to fraction form
    584,454.30/876,681.45 = 210,428.70/x
  3. Step 3: Cross multiply
    584,454.30x = 876,681.45 × 210,428.70
  4. Step 4: Simplify right side
    584,454.30x = 184,478,937,837.62
  5. Step 5: Solve for x
    x = 184,478,937,837.62/584,454.30
  6. Step 6: Final answer
    x = 315,643.05

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.