Home / 927,115.30-1,390,672.95-716,904.10

Finding the Fourth Proportional to 927,115.30, 1,390,672.95 and 716,904.10

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Solution

The fourth proportional to 927,115.30, 1,390,672.95 and 716,904.10 is: 1,075,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,115.30 : 1,390,672.95 = 716,904.10 : x
  2. Step 2: Convert to fraction form
    927,115.30/1,390,672.95 = 716,904.10/x
  3. Step 3: Cross multiply
    927,115.30x = 1,390,672.95 × 716,904.10
  4. Step 4: Simplify right side
    927,115.30x = 996,979,139,614.10
  5. Step 5: Solve for x
    x = 996,979,139,614.10/927,115.30
  6. Step 6: Final answer
    x = 1,075,356.15

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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.