Home / 1,133,985.92-1,564,901.76-624,688.64

Finding the Fourth Proportional to 1,133,985.92, 1,564,901.76 and 624,688.64

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Solution

The fourth proportional to 1,133,985.92, 1,564,901.76 and 624,688.64 is: 862,070.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,985.92 : 1,564,901.76 = 624,688.64 : x
  2. Step 2: Convert to fraction form
    1,133,985.92/1,564,901.76 = 624,688.64/x
  3. Step 3: Cross multiply
    1,133,985.92x = 1,564,901.76 × 624,688.64
  4. Step 4: Simplify right side
    1,133,985.92x = 977,576,352,188.01
  5. Step 5: Solve for x
    x = 977,576,352,188.01/1,133,985.92
  6. Step 6: Final answer
    x = 862,070.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.