Home / 877,592.30-1,316,388.45-578,410.70

Finding the Fourth Proportional to 877,592.30, 1,316,388.45 and 578,410.70

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Solution

The fourth proportional to 877,592.30, 1,316,388.45 and 578,410.70 is: 867,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,592.30 : 1,316,388.45 = 578,410.70 : x
  2. Step 2: Convert to fraction form
    877,592.30/1,316,388.45 = 578,410.70/x
  3. Step 3: Cross multiply
    877,592.30x = 1,316,388.45 × 578,410.70
  4. Step 4: Simplify right side
    877,592.30x = 761,413,164,836.42
  5. Step 5: Solve for x
    x = 761,413,164,836.42/877,592.30
  6. Step 6: Final answer
    x = 867,616.05

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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.