Home / 1,031,688.80-1,547,533.20-1,025,783.90

Finding the Fourth Proportional to 1,031,688.80, 1,547,533.20 and 1,025,783.90

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Solution

The fourth proportional to 1,031,688.80, 1,547,533.20 and 1,025,783.90 is: 1,538,675.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,688.80 : 1,547,533.20 = 1,025,783.90 : x
  2. Step 2: Convert to fraction form
    1,031,688.80/1,547,533.20 = 1,025,783.90/x
  3. Step 3: Cross multiply
    1,031,688.80x = 1,547,533.20 × 1,025,783.90
  4. Step 4: Simplify right side
    1,031,688.80x = 1,587,434,641,275.48
  5. Step 5: Solve for x
    x = 1,587,434,641,275.48/1,031,688.80
  6. Step 6: Final answer
    x = 1,538,675.85

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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.