Home / 879,345.56-1,213,477.08-497,371.88

Finding the Fourth Proportional to 879,345.56, 1,213,477.08 and 497,371.88

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Solution

The fourth proportional to 879,345.56, 1,213,477.08 and 497,371.88 is: 686,362.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,345.56 : 1,213,477.08 = 497,371.88 : x
  2. Step 2: Convert to fraction form
    879,345.56/1,213,477.08 = 497,371.88/x
  3. Step 3: Cross multiply
    879,345.56x = 1,213,477.08 × 497,371.88
  4. Step 4: Simplify right side
    879,345.56x = 603,549,376,616.51
  5. Step 5: Solve for x
    x = 603,549,376,616.51/879,345.56
  6. Step 6: Final answer
    x = 686,362.00

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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.