Home / 1,249,621.95-1,724,486.57-676,662.11

Finding the Fourth Proportional to 1,249,621.95, 1,724,486.57 and 676,662.11

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Solution

The fourth proportional to 1,249,621.95, 1,724,486.57 and 676,662.11 is: 933,798.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,621.95 : 1,724,486.57 = 676,662.11 : x
  2. Step 2: Convert to fraction form
    1,249,621.95/1,724,486.57 = 676,662.11/x
  3. Step 3: Cross multiply
    1,249,621.95x = 1,724,486.57 × 676,662.11
  4. Step 4: Simplify right side
    1,249,621.95x = 1,166,894,721,122.86
  5. Step 5: Solve for x
    x = 1,166,894,721,122.86/1,249,621.95
  6. Step 6: Final answer
    x = 933,798.19

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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.