Home / 924,410.70-1,386,616.05-619,980.30

Finding the Fourth Proportional to 924,410.70, 1,386,616.05 and 619,980.30

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Solution

The fourth proportional to 924,410.70, 1,386,616.05 and 619,980.30 is: 929,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,410.70 : 1,386,616.05 = 619,980.30 : x
  2. Step 2: Convert to fraction form
    924,410.70/1,386,616.05 = 619,980.30/x
  3. Step 3: Cross multiply
    924,410.70x = 1,386,616.05 × 619,980.30
  4. Step 4: Simplify right side
    924,410.70x = 859,674,634,663.82
  5. Step 5: Solve for x
    x = 859,674,634,663.82/924,410.70
  6. Step 6: Final answer
    x = 929,970.45

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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.