Home / 740,211.48-1,021,482.87-417,935.16

Finding the Fourth Proportional to 740,211.48, 1,021,482.87 and 417,935.16

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Solution

The fourth proportional to 740,211.48, 1,021,482.87 and 417,935.16 is: 576,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,211.48 : 1,021,482.87 = 417,935.16 : x
  2. Step 2: Convert to fraction form
    740,211.48/1,021,482.87 = 417,935.16/x
  3. Step 3: Cross multiply
    740,211.48x = 1,021,482.87 × 417,935.16
  4. Step 4: Simplify right side
    740,211.48x = 426,913,606,710.71
  5. Step 5: Solve for x
    x = 426,913,606,710.71/740,211.48
  6. Step 6: Final answer
    x = 576,745.45

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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.