Home / 719,389.02-993,154.59-432,979.50

Finding the Fourth Proportional to 719,389.02, 993,154.59 and 432,979.50

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Solution

The fourth proportional to 719,389.02, 993,154.59 and 432,979.50 is: 597,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,389.02 : 993,154.59 = 432,979.50 : x
  2. Step 2: Convert to fraction form
    719,389.02/993,154.59 = 432,979.50/x
  3. Step 3: Cross multiply
    719,389.02x = 993,154.59 × 432,979.50
  4. Step 4: Simplify right side
    719,389.02x = 430,015,577,800.91
  5. Step 5: Solve for x
    x = 430,015,577,800.91/719,389.02
  6. Step 6: Final answer
    x = 597,751.10

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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.