Home / 876,636.70-1,314,955.05-578,038.30

Finding the Fourth Proportional to 876,636.70, 1,314,955.05 and 578,038.30

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Solution

The fourth proportional to 876,636.70, 1,314,955.05 and 578,038.30 is: 867,057.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,636.70 : 1,314,955.05 = 578,038.30 : x
  2. Step 2: Convert to fraction form
    876,636.70/1,314,955.05 = 578,038.30/x
  3. Step 3: Cross multiply
    876,636.70x = 1,314,955.05 × 578,038.30
  4. Step 4: Simplify right side
    876,636.70x = 760,094,381,678.42
  5. Step 5: Solve for x
    x = 760,094,381,678.42/876,636.70
  6. Step 6: Final answer
    x = 867,057.45

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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.