Home / 834,681.72-1,151,886.85-472,098.50

Finding the Fourth Proportional to 834,681.72, 1,151,886.85 and 472,098.50

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Solution

The fourth proportional to 834,681.72, 1,151,886.85 and 472,098.50 is: 651,510.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,681.72 : 1,151,886.85 = 472,098.50 : x
  2. Step 2: Convert to fraction form
    834,681.72/1,151,886.85 = 472,098.50/x
  3. Step 3: Cross multiply
    834,681.72x = 1,151,886.85 × 472,098.50
  4. Step 4: Simplify right side
    834,681.72x = 543,804,047,115.05
  5. Step 5: Solve for x
    x = 543,804,047,115.05/834,681.72
  6. Step 6: Final answer
    x = 651,510.67

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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.