Home / 934,705.20-1,402,057.80-578,564.40

Finding the Fourth Proportional to 934,705.20, 1,402,057.80 and 578,564.40

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Solution

The fourth proportional to 934,705.20, 1,402,057.80 and 578,564.40 is: 867,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,705.20 : 1,402,057.80 = 578,564.40 : x
  2. Step 2: Convert to fraction form
    934,705.20/1,402,057.80 = 578,564.40/x
  3. Step 3: Cross multiply
    934,705.20x = 1,402,057.80 × 578,564.40
  4. Step 4: Simplify right side
    934,705.20x = 811,180,729,822.32
  5. Step 5: Solve for x
    x = 811,180,729,822.32/934,705.20
  6. Step 6: Final answer
    x = 867,846.60

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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.