Home / 742,055.36-1,024,041.84-402,526.04

Finding the Fourth Proportional to 742,055.36, 1,024,041.84 and 402,526.04

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Solution

The fourth proportional to 742,055.36, 1,024,041.84 and 402,526.04 is: 555,488.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,055.36 : 1,024,041.84 = 402,526.04 : x
  2. Step 2: Convert to fraction form
    742,055.36/1,024,041.84 = 402,526.04/x
  3. Step 3: Cross multiply
    742,055.36x = 1,024,041.84 × 402,526.04
  4. Step 4: Simplify right side
    742,055.36x = 412,203,506,649.51
  5. Step 5: Solve for x
    x = 412,203,506,649.51/742,055.36
  6. Step 6: Final answer
    x = 555,488.89

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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.