Home / 779,681.77-1,077,013.95-587,541.87

Finding the Fourth Proportional to 779,681.77, 1,077,013.95 and 587,541.87

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Solution

The fourth proportional to 779,681.77, 1,077,013.95 and 587,541.87 is: 811,601.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,681.77 : 1,077,013.95 = 587,541.87 : x
  2. Step 2: Convert to fraction form
    779,681.77/1,077,013.95 = 587,541.87/x
  3. Step 3: Cross multiply
    779,681.77x = 1,077,013.95 × 587,541.87
  4. Step 4: Simplify right side
    779,681.77x = 632,790,790,199.09
  5. Step 5: Solve for x
    x = 632,790,790,199.09/779,681.77
  6. Step 6: Final answer
    x = 811,601.37

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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.