Home / 924,420.60-1,386,630.90-821,777.40

Finding the Fourth Proportional to 924,420.60, 1,386,630.90 and 821,777.40

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Solution

The fourth proportional to 924,420.60, 1,386,630.90 and 821,777.40 is: 1,232,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,420.60 : 1,386,630.90 = 821,777.40 : x
  2. Step 2: Convert to fraction form
    924,420.60/1,386,630.90 = 821,777.40/x
  3. Step 3: Cross multiply
    924,420.60x = 1,386,630.90 × 821,777.40
  4. Step 4: Simplify right side
    924,420.60x = 1,139,501,935,761.66
  5. Step 5: Solve for x
    x = 1,139,501,935,761.66/924,420.60
  6. Step 6: Final answer
    x = 1,232,666.10

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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.