Home / 734,129.94-1,013,533.65-462,430.74

Finding the Fourth Proportional to 734,129.94, 1,013,533.65 and 462,430.74

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Solution

The fourth proportional to 734,129.94, 1,013,533.65 and 462,430.74 is: 638,428.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,129.94 : 1,013,533.65 = 462,430.74 : x
  2. Step 2: Convert to fraction form
    734,129.94/1,013,533.65 = 462,430.74/x
  3. Step 3: Cross multiply
    734,129.94x = 1,013,533.65 × 462,430.74
  4. Step 4: Simplify right side
    734,129.94x = 468,689,115,784.40
  5. Step 5: Solve for x
    x = 468,689,115,784.40/734,129.94
  6. Step 6: Final answer
    x = 638,428.01

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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.