Home / 1,437,182.47-2,155,405.83-426,068.11

Finding the Fourth Proportional to 1,437,182.47, 2,155,405.83 and 426,068.11

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Solution

The fourth proportional to 1,437,182.47, 2,155,405.83 and 426,068.11 is: 638,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,182.47 : 2,155,405.83 = 426,068.11 : x
  2. Step 2: Convert to fraction form
    1,437,182.47/2,155,405.83 = 426,068.11/x
  3. Step 3: Cross multiply
    1,437,182.47x = 2,155,405.83 × 426,068.11
  4. Step 4: Simplify right side
    1,437,182.47x = 918,349,688,271.08
  5. Step 5: Solve for x
    x = 918,349,688,271.08/1,437,182.47
  6. Step 6: Final answer
    x = 638,993.10

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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.