Home / 623,788.40-860,827.36-337,307.76

Finding the Fourth Proportional to 623,788.40, 860,827.36 and 337,307.76

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Solution

The fourth proportional to 623,788.40, 860,827.36 and 337,307.76 is: 465,484.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,788.40 : 860,827.36 = 337,307.76 : x
  2. Step 2: Convert to fraction form
    623,788.40/860,827.36 = 337,307.76/x
  3. Step 3: Cross multiply
    623,788.40x = 860,827.36 × 337,307.76
  4. Step 4: Simplify right side
    623,788.40x = 290,363,748,548.31
  5. Step 5: Solve for x
    x = 290,363,748,548.31/623,788.40
  6. Step 6: Final answer
    x = 465,484.37

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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.