Home / 1,036,639.10-1,430,678.15-577,795.57

Finding the Fourth Proportional to 1,036,639.10, 1,430,678.15 and 577,795.57

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Solution

The fourth proportional to 1,036,639.10, 1,430,678.15 and 577,795.57 is: 797,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,639.10 : 1,430,678.15 = 577,795.57 : x
  2. Step 2: Convert to fraction form
    1,036,639.10/1,430,678.15 = 577,795.57/x
  3. Step 3: Cross multiply
    1,036,639.10x = 1,430,678.15 × 577,795.57
  4. Step 4: Simplify right side
    1,036,639.10x = 826,639,497,165.80
  5. Step 5: Solve for x
    x = 826,639,497,165.80/1,036,639.10
  6. Step 6: Final answer
    x = 797,422.65

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1.5x scale

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.