Home / 1,312,500.84-1,967,443.08-554,533.20

Finding the Fourth Proportional to 1,312,500.84, 1,967,443.08 and 554,533.20

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Solution

The fourth proportional to 1,312,500.84, 1,967,443.08 and 554,533.20 is: 831,247.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,500.84 : 1,967,443.08 = 554,533.20 : x
  2. Step 2: Convert to fraction form
    1,312,500.84/1,967,443.08 = 554,533.20/x
  3. Step 3: Cross multiply
    1,312,500.84x = 1,967,443.08 × 554,533.20
  4. Step 4: Simplify right side
    1,312,500.84x = 1,091,012,506,970.26
  5. Step 5: Solve for x
    x = 1,091,012,506,970.26/1,312,500.84
  6. Step 6: Final answer
    x = 831,247.09

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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.