Home / 993,955.47-1,371,622.05-607,417.76

Finding the Fourth Proportional to 993,955.47, 1,371,622.05 and 607,417.76

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Solution

The fourth proportional to 993,955.47, 1,371,622.05 and 607,417.76 is: 838,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,955.47 : 1,371,622.05 = 607,417.76 : x
  2. Step 2: Convert to fraction form
    993,955.47/1,371,622.05 = 607,417.76/x
  3. Step 3: Cross multiply
    993,955.47x = 1,371,622.05 × 607,417.76
  4. Step 4: Simplify right side
    993,955.47x = 833,147,586,319.50
  5. Step 5: Solve for x
    x = 833,147,586,319.50/993,955.47
  6. Step 6: Final answer
    x = 838,214.20

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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.